diff --git a/.gitignore b/.gitignore
index bdbe1fe9..dd42d87c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,5 @@ result
 /priv/plts/*.plt
 /priv/plts/*.plt.hash
 node_modules
+
+tempo-data
diff --git a/bin/start b/bin/start
index d6c08032..afc90a85 100755
--- a/bin/start
+++ b/bin/start
@@ -2,4 +2,4 @@
 
 cd "$(dirname "$0")"/.. || exit 1
 
-elixir -S mix run --no-halt -e "Application.ensure_all_started(:next_ls)" -- "$@"
+mix run --no-halt -e "Application.ensure_all_started(:next_ls)" -- "$@"
diff --git a/config/config.exs b/config/config.exs
index def8815d..cd210e21 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -2,6 +2,16 @@ import Config
 
 config :next_ls, :indexing_timeout, 100
 
-config :logger, :default_handler, config: [type: :standard_error]
+config :logger, :default_handler,
+  config: [
+    file: ~c".elixir-tools/next-ls.log",
+    filesync_repeat_interval: 5000,
+    file_check: 5000,
+    max_no_bytes: 10_000_000,
+    max_no_files: 5,
+    compress_on_rotate: true
+  ]
+
+config :logger, :default_formatter, format: "\n$time $metadata[$level] $message\n", metadata: [:id]
 
 import_config "#{config_env()}.exs"
diff --git a/config/runtime.exs b/config/runtime.exs
new file mode 100644
index 00000000..ce04f4b4
--- /dev/null
+++ b/config/runtime.exs
@@ -0,0 +1,12 @@
+import Config
+
+if System.get_env("NEXTLS_OTEL") == "1" do
+  config :next_ls,
+    otel: true
+
+  config :opentelemetry_exporter,
+    otlp_protocol: :grpc,
+    otlp_endpoint: "http://localhost:4317"
+else
+  config :opentelemetry, traces_exporter: :none
+end
diff --git a/config/test.exs b/config/test.exs
index 1a09596a..26b604c5 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -1,3 +1,5 @@
 import Config
 
+config :logger, :default_handler, config: [type: :standard_error]
+
 config :gen_lsp, :exit_on_end, false
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 00000000..400f462b
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,47 @@
+version: "3"
+services:
+  tempo:
+    image: grafana/tempo:latest
+    command: [ "-config.file=/etc/tempo.yaml" ]
+    volumes:
+      - ./tempo.yaml:/etc/tempo.yaml
+      - ./tempo-data:/tmp/tempo
+    ports:
+      - "14268:14268"  # jaeger ingest
+      - "3200:3200"   # tempo
+      # - "4317:4317"  # otlp grpc
+      # - "4318:4318"  # otlp http
+      - "9411:9411"   # zipkin
+
+  otel-collector:
+    image: otel/opentelemetry-collector:0.61.0
+    command: [ "--config=/etc/otel-collector.yaml" ]
+    volumes:
+      - ./otel-collector.yaml:/etc/otel-collector.yaml
+    ports:
+      - "4317:4317"  # otlp grpc
+      - "4318:4318"  # otlp http
+
+  prometheus:
+    image: prom/prometheus:latest
+    command:
+      - --config.file=/etc/prometheus.yaml
+      - --web.enable-remote-write-receiver
+      - --enable-feature=exemplar-storage
+    volumes:
+      - ./prometheus.yaml:/etc/prometheus.yaml
+    ports:
+      - "9090:9090"
+
+  grafana:
+    image: grafana/grafana:9.4.3
+    volumes:
+      - ./grafana-datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+      - GF_AUTH_DISABLE_LOGIN_FORM=true
+      - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor
+    ports:
+      - "3000:3000"
+
diff --git a/flake.nix b/flake.nix
index 8d05bb4f..b056988f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -61,7 +61,7 @@
             src = self.outPath;
             inherit version elixir;
             pname = "next-ls-deps";
-            hash = "sha256-LV1DYmWi0Mcz1S5k77/jexXYqay7OpysCwOtUcafqGE=";
+            hash = "sha256-M8BtmnSWpABqu8ZelZkzG1BOhD8sm3MoqXFIEgCy708=";
           };
 
           BURRITO_ERTS_PATH = "${beamPackages.erlang}/lib/erlang";
diff --git a/grafana-datasources.yaml b/grafana-datasources.yaml
new file mode 100644
index 00000000..4a3bc2c4
--- /dev/null
+++ b/grafana-datasources.yaml
@@ -0,0 +1,30 @@
+apiVersion: 1
+
+datasources:
+- name: Prometheus
+  type: prometheus
+  uid: prometheus
+  access: proxy
+  orgId: 1
+  url: http://prometheus:9090
+  basicAuth: false
+  isDefault: false
+  version: 1
+  editable: false
+  jsonData:
+    httpMethod: GET
+- name: Tempo
+  type: tempo
+  access: proxy
+  orgId: 1
+  url: http://tempo:3200
+  basicAuth: false
+  isDefault: true
+  version: 1
+  editable: false
+  apiVersion: 1
+  uid: tempo
+  jsonData:
+    httpMethod: GET
+    serviceMap:
+      datasourceUid: prometheus
diff --git a/lib/next_ls/application.ex b/lib/next_ls/application.ex
index 135c6b2f..0e935ce0 100644
--- a/lib/next_ls/application.ex
+++ b/lib/next_ls/application.ex
@@ -7,6 +7,11 @@ defmodule NextLS.Application do
 
   @impl true
   def start(_type, _args) do
+    if Application.get_env(:next_ls, :otel, false) do
+      NextLS.OpentelemetrySchematic.setup()
+      NextLS.OpentelemetryGenLSP.setup()
+    end
+
     case System.cmd("epmd", ["-daemon"], stderr_to_stdout: true) do
       {_, 0} ->
         :ok
diff --git a/lib/next_ls/db.ex b/lib/next_ls/db.ex
index 90ab1132..bd5819a1 100644
--- a/lib/next_ls/db.ex
+++ b/lib/next_ls/db.ex
@@ -4,6 +4,10 @@ defmodule NextLS.DB do
 
   import __MODULE__.Query
 
+  alias OpenTelemetry.Tracer
+
+  require OpenTelemetry.Tracer
+
   @type query :: String.t()
 
   def start_link(args) do
@@ -11,7 +15,10 @@ defmodule NextLS.DB do
   end
 
   @spec query(pid(), query(), list()) :: list()
-  def query(server, query, opts \\ []), do: GenServer.call(server, {:query, query, opts}, :infinity)
+  def query(server, query, opts \\ []) do
+    ctx = OpenTelemetry.Ctx.get_current()
+    GenServer.call(server, {:query, query, opts, ctx}, :infinity)
+  end
 
   @spec insert_symbol(pid(), map()) :: :ok
   def insert_symbol(server, payload), do: GenServer.cast(server, {:insert_symbol, payload})
@@ -43,28 +50,36 @@ defmodule NextLS.DB do
      }}
   end
 
-  def handle_call({:query, query, args_or_opts}, _from, %{conn: conn} = s) do
-    {:message_queue_len, count} = Process.info(self(), :message_queue_len)
-    NextLS.DB.Activity.update(s.activity, count)
-    opts = if Keyword.keyword?(args_or_opts), do: args_or_opts, else: [args: args_or_opts]
-
-    query =
-      if opts[:select] do
-        String.replace(query, ":select", Enum.map_join(opts[:select], ", ", &to_string/1))
-      else
-        query
+  def handle_call({:query, query, args_or_opts, ctx}, _from, %{conn: conn} = s) do
+    token = OpenTelemetry.Ctx.attach(ctx)
+
+    try do
+      Tracer.with_span :"db.query receive", %{attributes: %{query: query}} do
+        {:message_queue_len, count} = Process.info(self(), :message_queue_len)
+        NextLS.DB.Activity.update(s.activity, count)
+        opts = if Keyword.keyword?(args_or_opts), do: args_or_opts, else: [args: args_or_opts]
+
+        query =
+          if opts[:select] do
+            String.replace(query, ":select", Enum.map_join(opts[:select], ", ", &to_string/1))
+          else
+            query
+          end
+
+        rows =
+          for row <- __query__({conn, s.logger}, query, opts[:args] || []) do
+            if opts[:select] do
+              opts[:select] |> Enum.zip(row) |> Map.new()
+            else
+              row
+            end
+          end
+
+        {:reply, rows, s}
       end
-
-    rows =
-      for row <- __query__({conn, s.logger}, query, opts[:args] || []) do
-        if opts[:select] do
-          opts[:select] |> Enum.zip(row) |> Map.new()
-        else
-          row
-        end
-      end
-
-    {:reply, rows, s}
+    after
+      OpenTelemetry.Ctx.detach(token)
+    end
   end
 
   def handle_cast({:insert_symbol, symbol}, %{conn: conn} = s) do
@@ -190,22 +205,24 @@ defmodule NextLS.DB do
   end
 
   def __query__({conn, logger}, query, args) do
-    args = Enum.map(args, &cast/1)
+    Tracer.with_span :"db.query process", %{attributes: %{query: query}} do
+      args = Enum.map(args, &cast/1)
 
-    case Exqlite.Basic.exec(conn, query, args) do
-      {:error, %{message: message, statement: statement}, _} ->
-        NextLS.Logger.warning(logger, """
-        sqlite3 error: #{message}
+      case Exqlite.Basic.exec(conn, query, args) do
+        {:error, %{message: message, statement: statement}, _} ->
+          NextLS.Logger.warning(logger, """
+          sqlite3 error: #{message}
 
-        statement: #{statement}
-        arguments: #{inspect(args)}
-        """)
+          statement: #{statement}
+          arguments: #{inspect(args)}
+          """)
 
-        {:error, message}
+          {:error, message}
 
-      result ->
-        {:ok, rows, _} = Exqlite.Basic.rows(result)
-        rows
+        result ->
+          {:ok, rows, _} = Exqlite.Basic.rows(result)
+          rows
+      end
     end
   end
 
diff --git a/lib/next_ls/db/schema.ex b/lib/next_ls/db/schema.ex
index 209e04a6..c9856fcf 100644
--- a/lib/next_ls/db/schema.ex
+++ b/lib/next_ls/db/schema.ex
@@ -29,7 +29,7 @@ defmodule NextLS.DB.Schema do
     # FIXME: this is odd tech debt. not a big deal but is confusing
     {_, logger} = conn
 
-    NextLS.Logger.log(logger, "Beginning DB migration...")
+    NextLS.Logger.info(logger, "Beginning DB migration...")
 
     DB.__query__(
       conn,
@@ -113,7 +113,7 @@ defmodule NextLS.DB.Schema do
           {:ok, :reindex}
       end
 
-    NextLS.Logger.log(logger, "Finished DB migration...")
+    NextLS.Logger.info(logger, "Finished DB migration...")
     result
   end
 end
diff --git a/lib/next_ls/extensions/credo_extension.ex b/lib/next_ls/extensions/credo_extension.ex
index 2d21ac48..4370a2e4 100644
--- a/lib/next_ls/extensions/credo_extension.ex
+++ b/lib/next_ls/extensions/credo_extension.ex
@@ -30,7 +30,7 @@ defmodule NextLS.CredoExtension do
     if settings.enable do
       Registry.register(registry, :extensions, :credo)
 
-      NextLS.Logger.log(logger, "[extension] Credo initializing with options #{inspect(settings)}")
+      NextLS.Logger.info(logger, "[extension] Credo initializing with options #{inspect(settings)}")
 
       {:ok,
        %{
@@ -44,7 +44,7 @@ defmodule NextLS.CredoExtension do
          refresh_refs: Map.new()
        }}
     else
-      NextLS.Logger.log(logger, "[extension] Credo disabled")
+      NextLS.Logger.info(logger, "[extension] Credo disabled")
       :ignore
     end
   end
diff --git a/lib/next_ls/logger.ex b/lib/next_ls/logger.ex
index ba708be9..dd7423f1 100644
--- a/lib/next_ls/logger.ex
+++ b/lib/next_ls/logger.ex
@@ -2,6 +2,8 @@ defmodule NextLS.Logger do
   @moduledoc false
   use GenServer
 
+  require Logger
+
   def start_link(arg) do
     GenServer.start_link(__MODULE__, arg, Keyword.take(arg, [:name]))
   end
@@ -22,6 +24,14 @@ defmodule NextLS.Logger do
 
   def handle_cast({:log, type, msg}, state) do
     apply(GenLSP, type, [state.lsp, String.trim("[NextLS] #{msg}")])
+
+    case type do
+      :log -> Logger.debug(msg)
+      :warning -> Logger.warning(msg)
+      :error -> Logger.error(msg)
+      :info -> Logger.info(msg)
+    end
+
     {:noreply, state}
   end
 
diff --git a/lib/next_ls/opentelemetry/gen_lsp.ex b/lib/next_ls/opentelemetry/gen_lsp.ex
new file mode 100644
index 00000000..f1bc0b27
--- /dev/null
+++ b/lib/next_ls/opentelemetry/gen_lsp.ex
@@ -0,0 +1,68 @@
+defmodule NextLS.OpentelemetryGenLSP do
+  @moduledoc false
+  require Logger
+
+  @tracer_id __MODULE__
+
+  def setup do
+    :ok =
+      :telemetry.attach_many(
+        "gen_lsp-handler",
+        [
+          [:gen_lsp, :notify, :server, :start],
+          [:gen_lsp, :notify, :server, :stop],
+          [:gen_lsp, :request, :server, :start],
+          [:gen_lsp, :request, :server, :stop],
+          [:gen_lsp, :request, :client, :start],
+          [:gen_lsp, :request, :client, :stop],
+          [:gen_lsp, :notification, :client, :start],
+          [:gen_lsp, :notification, :client, :stop],
+          [:gen_lsp, :handle_request, :start],
+          [:gen_lsp, :handle_request, :stop],
+          [:gen_lsp, :handle_notification, :start],
+          [:gen_lsp, :handle_notification, :stop],
+          [:gen_lsp, :handle_info, :start],
+          [:gen_lsp, :handle_info, :stop]
+          # [:gen_lsp, :buffer, :outgoing, :start],
+          # [:gen_lsp, :buffer, :outgoing, :stop],
+          # [:gen_lsp, :buffer, :incoming, :start],
+          # [:gen_lsp, :buffer, :incoming, :stop]
+        ],
+        &__MODULE__.process/4,
+        nil
+      )
+  end
+
+  def process([:gen_lsp, type1, type2, :start], _measurements, metadata, _config) do
+    OpentelemetryTelemetry.start_telemetry_span(
+      @tracer_id,
+      :"gen_lsp.#{type1}.#{type2}",
+      metadata,
+      %{kind: :server, attributes: metadata}
+    )
+  end
+
+  def process([:gen_lsp, handle, :start], _measurements, metadata, _config) do
+    if handle in [:handle_request, :handle_notification] do
+      # set attribute for parent span
+      OpenTelemetry.Tracer.set_attribute(:method, metadata[:method])
+    end
+
+    OpentelemetryTelemetry.start_telemetry_span(
+      @tracer_id,
+      :"next_ls.#{handle}",
+      metadata,
+      %{kind: :server, attributes: metadata}
+    )
+  end
+
+  def process([:gen_lsp, _, _, :stop], _measurements, metadata, _config) do
+    OpentelemetryTelemetry.set_current_telemetry_span(@tracer_id, metadata)
+    OpentelemetryTelemetry.end_telemetry_span(@tracer_id, metadata)
+  end
+
+  def process([:gen_lsp, _, :stop], _measurements, metadata, _config) do
+    OpentelemetryTelemetry.set_current_telemetry_span(@tracer_id, metadata)
+    OpentelemetryTelemetry.end_telemetry_span(@tracer_id, metadata)
+  end
+end
diff --git a/lib/next_ls/opentelemetry/schematic.ex b/lib/next_ls/opentelemetry/schematic.ex
new file mode 100644
index 00000000..168e322a
--- /dev/null
+++ b/lib/next_ls/opentelemetry/schematic.ex
@@ -0,0 +1,33 @@
+defmodule NextLS.OpentelemetrySchematic do
+  @moduledoc false
+  require Logger
+
+  @tracer_id __MODULE__
+
+  def setup do
+    :ok =
+      :telemetry.attach_many(
+        "schematic-handler",
+        [
+          [:schematic, :unify, :start],
+          [:schematic, :unify, :stop]
+        ],
+        &__MODULE__.process/4,
+        nil
+      )
+  end
+
+  def process([:schematic, :unify, :start], _measurements, metadata, _config) do
+    OpentelemetryTelemetry.start_telemetry_span(
+      @tracer_id,
+      :"schematic.unify.#{metadata.kind} #{metadata.dir}",
+      metadata,
+      %{kind: :server, attributes: metadata}
+    )
+  end
+
+  def process([:schematic, :unify, :stop], _measurements, metadata, _config) do
+    OpentelemetryTelemetry.set_current_telemetry_span(@tracer_id, metadata)
+    OpentelemetryTelemetry.end_telemetry_span(@tracer_id, metadata)
+  end
+end
diff --git a/lib/next_ls/runtime.ex b/lib/next_ls/runtime.ex
index 6196c250..303e50bb 100644
--- a/lib/next_ls/runtime.ex
+++ b/lib/next_ls/runtime.ex
@@ -2,6 +2,10 @@ defmodule NextLS.Runtime do
   @moduledoc false
   use GenServer
 
+  alias OpenTelemetry.Tracer
+
+  require OpenTelemetry.Tracer
+
   @env Mix.env()
   defguardp is_ready(state) when is_map_key(state, :node)
 
@@ -12,7 +16,10 @@ defmodule NextLS.Runtime do
   @type mod_fun_arg :: {atom(), atom(), list()}
 
   @spec call(pid(), mod_fun_arg()) :: any()
-  def call(server, mfa), do: GenServer.call(server, {:call, mfa}, :infinity)
+  def call(server, mfa) do
+    ctx = OpenTelemetry.Ctx.get_current()
+    GenServer.call(server, {:call, mfa, ctx}, :infinity)
+  end
 
   @spec ready?(pid()) :: boolean()
   def ready?(server), do: GenServer.call(server, :ready?)
@@ -110,7 +117,7 @@ defmodule NextLS.Runtime do
         |> Path.join("cmd")
         |> Path.absname()
 
-      NextLS.Logger.log(logger, "Using `elixir` found at: #{elixir_exe}")
+      NextLS.Logger.info(logger, "Using `elixir` found at: #{elixir_exe}")
 
       port =
         Port.open(
@@ -165,7 +172,7 @@ defmodule NextLS.Runtime do
           {:DOWN, ^ref, :process, ^me, reason} ->
             case reason do
               :shutdown ->
-                NextLS.Logger.log(logger, "The runtime for #{name} has successfully shut down.")
+                NextLS.Logger.info(logger, "The runtime for #{name} has successfully shut down.")
 
               reason ->
                 NextLS.Logger.error(logger, "The runtime for #{name} has crashed with reason: #{inspect(reason)}")
@@ -177,7 +184,7 @@ defmodule NextLS.Runtime do
         with {:ok, host} <- :inet.gethostname(),
              node <- :"#{sname}@#{host}",
              true <- connect(node, port, 120) do
-          NextLS.Logger.log(logger, "Connected to node #{node}")
+          NextLS.Logger.info(logger, "Connected to node #{node}")
 
           :next_ls
           |> :code.priv_dir()
@@ -236,9 +243,17 @@ defmodule NextLS.Runtime do
     {:reply, {:error, :not_ready}, state}
   end
 
-  def handle_call({:call, {m, f, a}}, _from, %{node: node} = state) do
-    reply = :rpc.call(node, m, f, a)
-    {:reply, {:ok, reply}, state}
+  def handle_call({:call, {m, f, a}, ctx}, _from, %{node: node} = state) do
+    token = OpenTelemetry.Ctx.attach(ctx)
+
+    try do
+      Tracer.with_span :"runtime.call", %{attributes: %{mfa: inspect({m, f, a})}} do
+        reply = :rpc.call(node, m, f, a)
+        {:reply, {:ok, reply}, state}
+      end
+    after
+      OpenTelemetry.Ctx.detach(token)
+    end
   end
 
   def handle_call({:compile, opts}, from, %{node: node} = state) do
@@ -260,7 +275,7 @@ defmodule NextLS.Runtime do
               for {pid, _} <- entries, do: send(pid, {:compiler, diagnostics})
             end)
 
-            NextLS.Logger.log(state.logger, "Compiled #{state.name}!")
+            NextLS.Logger.info(state.logger, "Compiled #{state.name}!")
 
             diagnostics
 
@@ -312,12 +327,12 @@ defmodule NextLS.Runtime do
   end
 
   def handle_info({port, {:data, data}}, %{port: port} = state) do
-    NextLS.Logger.log(state.logger, data)
+    NextLS.Logger.info(state.logger, data)
     {:noreply, state}
   end
 
   def handle_info({port, other}, %{port: port} = state) do
-    NextLS.Logger.log(state.logger, other)
+    NextLS.Logger.info(state.logger, other)
     {:noreply, state}
   end
 
diff --git a/mix.exs b/mix.exs
index acda223e..9838cfad 100644
--- a/mix.exs
+++ b/mix.exs
@@ -61,10 +61,15 @@ defmodule NextLS.MixProject do
   defp deps do
     [
       {:exqlite, "~> 0.13.14"},
-      {:gen_lsp, "~> 0.6"},
+      {:gen_lsp, "~> 0.7"},
       {:req, "~> 0.3.11"},
       {:schematic, "~> 0.2"},
 
+      {:opentelemetry, "~> 1.3"},
+      {:opentelemetry_api, "~> 1.2"},
+      {:opentelemetry_exporter, "~> 1.4"},
+      {:opentelemetry_process_propagator, "~> 0.2.2"},
+      {:opentelemetry_telemetry, "~> 1.0"},
       {:burrito, github: "burrito-elixir/burrito", only: [:dev, :prod]},
       {:bypass, "~> 2.1", only: :test},
       {:dialyxir, ">= 0.0.0", only: [:dev, :test], runtime: false},
diff --git a/mix.lock b/mix.lock
index 082ae3a2..60f06bf4 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,11 +1,14 @@
 %{
+  "acceptor_pool": {:hex, :acceptor_pool, "1.0.0", "43c20d2acae35f0c2bcd64f9d2bde267e459f0f3fd23dab26485bf518c281b21", [:rebar3], [], "hexpm", "0cbcd83fdc8b9ad2eee2067ef8b91a14858a5883cb7cd800e6fcd5803e158788"},
   "burrito": {:git, "https://github.com/burrito-elixir/burrito.git", "01f4781df21bb6657c68ef9b780daf194dd1aced", []},
   "bypass": {:hex, :bypass, "2.1.0", "909782781bf8e20ee86a9cabde36b259d44af8b9f38756173e8f5e2e1fabb9b1", [:mix], [{:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.0", [hex: :plug_cowboy, repo: "hexpm", optional: false]}, {:ranch, "~> 1.3", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "d9b5df8fa5b7a6efa08384e9bbecfe4ce61c77d28a4282f79e02f1ef78d96b80"},
   "castore": {:hex, :castore, "1.0.3", "7130ba6d24c8424014194676d608cb989f62ef8039efd50ff4b3f33286d06db8", [:mix], [], "hexpm", "680ab01ef5d15b161ed6a95449fac5c6b8f60055677a8e79acf01b27baa4390b"},
   "cc_precompiler": {:hex, :cc_precompiler, "0.1.8", "933a5f4da3b19ee56539a076076ce4d7716d64efc8db46fd066996a7e46e2bfd", [:mix], [{:elixir_make, "~> 0.7.3", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm", "176bdf4366956e456bf761b54ad70bc4103d0269ca9558fd7cee93d1b3f116db"},
+  "chatterbox": {:hex, :ts_chatterbox, "0.15.1", "5cac4d15dd7ad61fc3c4415ce4826fc563d4643dee897a558ec4ea0b1c835c9c", [:rebar3], [{:hpack, "~> 0.3.0", [hex: :hpack_erl, repo: "hexpm", optional: false]}], "hexpm", "4f75b91451338bc0da5f52f3480fa6ef6e3a2aeecfc33686d6b3d0a0948f31aa"},
   "cowboy": {:hex, :cowboy, "2.10.0", "ff9ffeff91dae4ae270dd975642997afe2a1179d94b1887863e43f681a203e26", [:make, :rebar3], [{:cowlib, "2.12.1", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "1.8.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "3afdccb7183cc6f143cb14d3cf51fa00e53db9ec80cdcd525482f5e99bc41d6b"},
   "cowboy_telemetry": {:hex, :cowboy_telemetry, "0.4.0", "f239f68b588efa7707abce16a84d0d2acf3a0f50571f8bb7f56a15865aae820c", [:rebar3], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7d98bac1ee4565d31b62d59f8823dfd8356a169e7fcbb83831b8a5397404c9de"},
   "cowlib": {:hex, :cowlib, "2.12.1", "a9fa9a625f1d2025fe6b462cb865881329b5caff8f1854d1cbc9f9533f00e1e1", [:make, :rebar3], [], "hexpm", "163b73f6367a7341b33c794c4e88e7dbfe6498ac42dcd69ef44c5bc5507c8db0"},
+  "ctx": {:hex, :ctx, "0.6.0", "8ff88b70e6400c4df90142e7f130625b82086077a45364a78d208ed3ed53c7fe", [:rebar3], [], "hexpm", "a14ed2d1b67723dbebbe423b28d7615eb0bdcba6ff28f2d1f1b0a7e1d4aa5fc2"},
   "db_connection": {:hex, :db_connection, "2.5.0", "bb6d4f30d35ded97b29fe80d8bd6f928a1912ca1ff110831edcd238a1973652c", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "c92d5ba26cd69ead1ff7582dbb860adeedfff39774105a4f1c92cbb654b55aa2"},
   "dialyxir": {:hex, :dialyxir, "1.3.0", "fd1672f0922b7648ff9ce7b1b26fcf0ef56dda964a459892ad15f6b4410b5284", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "00b2a4bcd6aa8db9dcb0b38c1225b7277dca9bc370b6438715667071a304696f"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.32", "fa739a0ecfa34493de19426681b23f6814573faee95dfd4b4aafe15a7b5b32c6", [:mix], [], "hexpm", "b8b0dd77d60373e77a3d7e8afa598f325e49e8663a51bcc2b88ef41838cca755"},
@@ -14,7 +17,10 @@
   "ex_doc": {:hex, :ex_doc, "0.29.4", "6257ecbb20c7396b1fe5accd55b7b0d23f44b6aa18017b415cb4c2b91d997729", [:mix], [{:earmark_parser, "~> 1.4.31", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "2c6699a737ae46cb61e4ed012af931b57b699643b24dabe2400a8168414bc4f5"},
   "exqlite": {:hex, :exqlite, "0.13.15", "a32c0763915e2b0d7ced9dd8638802d38e9569053f3b28b815bd0faef1cbe6d9", [:make, :mix], [{:cc_precompiler, "~> 0.1", [hex: :cc_precompiler, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.7", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "4afcc870a33b57781a1e57cd4294eef68815059d26b774c7cd075536b21434b7"},
   "finch": {:hex, :finch, "0.16.0", "40733f02c89f94a112518071c0a91fe86069560f5dbdb39f9150042f44dcfb1a", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.3", [hex: :mint, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.4 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 0.2.6 or ~> 1.0", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "f660174c4d519e5fec629016054d60edd822cdfe2b7270836739ac2f97735ec5"},
-  "gen_lsp": {:hex, :gen_lsp, "0.6.3", "d955460988fcf276a7724573645876fafc7763b1f53160fd3c1e21aad2becdbe", [:mix], [{:jason, "~> 1.3", [hex: :jason, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.5 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:schematic, "~> 0.2.1", [hex: :schematic, repo: "hexpm", optional: false]}, {:typed_struct, "~> 0.3.0", [hex: :typed_struct, repo: "hexpm", optional: false]}], "hexpm", "f935a933b375d33bee5c6266165ccb0a2fd418e64ab12f62dba56a9b4fdcdd09"},
+  "gen_lsp": {:hex, :gen_lsp, "0.7.0", "14a73525c55b6ca7ba08390fe59720788f95e0b6b2ba0ccb43dcd439381d5e37", [:mix], [{:jason, "~> 1.3", [hex: :jason, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.5 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:schematic, "~> 0.2.1", [hex: :schematic, repo: "hexpm", optional: false]}, {:typed_struct, "~> 0.3.0", [hex: :typed_struct, repo: "hexpm", optional: false]}], "hexpm", "491810806d2c6cce53f0577d96ffdf36dbb104beaba1661cd2950ffc0bbd792c"},
+  "gproc": {:hex, :gproc, "0.9.1", "f1df0364423539cf0b80e8201c8b1839e229e5f9b3ccb944c5834626998f5b8c", [:rebar3], [], "hexpm", "905088e32e72127ed9466f0bac0d8e65704ca5e73ee5a62cb073c3117916d507"},
+  "grpcbox": {:hex, :grpcbox, "0.17.1", "6e040ab3ef16fe699ffb513b0ef8e2e896da7b18931a1ef817143037c454bcce", [:rebar3], [{:acceptor_pool, "~> 1.0.0", [hex: :acceptor_pool, repo: "hexpm", optional: false]}, {:chatterbox, "~> 0.15.1", [hex: :ts_chatterbox, repo: "hexpm", optional: false]}, {:ctx, "~> 0.6.0", [hex: :ctx, repo: "hexpm", optional: false]}, {:gproc, "~> 0.9.1", [hex: :gproc, repo: "hexpm", optional: false]}], "hexpm", "4a3b5d7111daabc569dc9cbd9b202a3237d81c80bf97212fbc676832cb0ceb17"},
+  "hpack": {:hex, :hpack_erl, "0.3.0", "2461899cc4ab6a0ef8e970c1661c5fc6a52d3c25580bc6dd204f84ce94669926", [:rebar3], [], "hexpm", "d6137d7079169d8c485c6962dfe261af5b9ef60fbc557344511c1e65e3d95fb0"},
   "hpax": {:hex, :hpax, "0.1.2", "09a75600d9d8bbd064cdd741f21fc06fc1f4cf3d0fcc335e5aa19be1a7235c84", [:mix], [], "hexpm", "2c87843d5a23f5f16748ebe77969880e29809580efdaccd615cd3bed628a8c13"},
   "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
   "makeup": {:hex, :makeup, "1.1.0", "6b67c8bc2882a6b6a445859952a602afc1a41c2e08379ca057c0f525366fc3ca", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "0a45ed501f4a8897f580eabf99a2e5234ea3e75a4373c8a52824f6e873be57a6"},
@@ -25,13 +31,22 @@
   "nimble_options": {:hex, :nimble_options, "1.0.2", "92098a74df0072ff37d0c12ace58574d26880e522c22801437151a159392270e", [:mix], [], "hexpm", "fd12a8db2021036ce12a309f26f564ec367373265b53e25403f0ee697380f1b8"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.3.1", "2c54013ecf170e249e9291ed0a62e5832f70a476c61da16f6aac6dca0189f2af", [:mix], [], "hexpm", "2682e3c0b2eb58d90c6375fc0cc30bc7be06f365bf72608804fb9cffa5e1b167"},
   "nimble_pool": {:hex, :nimble_pool, "1.0.0", "5eb82705d138f4dd4423f69ceb19ac667b3b492ae570c9f5c900bb3d2f50a847", [:mix], [], "hexpm", "80be3b882d2d351882256087078e1b1952a28bf98d0a287be87e4a24a710b67a"},
+  "opentelemetry": {:hex, :opentelemetry, "1.3.1", "f0a342a74379e3540a634e7047967733da4bc8b873ec9026e224b2bd7369b1fc", [:rebar3], [{:opentelemetry_api, "~> 1.2.2", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:opentelemetry_semantic_conventions, "~> 0.2", [hex: :opentelemetry_semantic_conventions, repo: "hexpm", optional: false]}], "hexpm", "de476b2ac4faad3e3fe3d6e18b35dec9cb338c3b9910c2ce9317836dacad3483"},
+  "opentelemetry_api": {:hex, :opentelemetry_api, "1.2.2", "693f47b0d8c76da2095fe858204cfd6350c27fe85d00e4b763deecc9588cf27a", [:mix, :rebar3], [{:opentelemetry_semantic_conventions, "~> 0.2", [hex: :opentelemetry_semantic_conventions, repo: "hexpm", optional: false]}], "hexpm", "dc77b9a00f137a858e60a852f14007bb66eda1ffbeb6c05d5fe6c9e678b05e9d"},
+  "opentelemetry_exporter": {:hex, :opentelemetry_exporter, "1.6.0", "f4fbf69aa9f1541b253813221b82b48a9863bc1570d8ecc517bc510c0d1d3d8c", [:rebar3], [{:grpcbox, ">= 0.0.0", [hex: :grpcbox, repo: "hexpm", optional: false]}, {:opentelemetry, "~> 1.3", [hex: :opentelemetry, repo: "hexpm", optional: false]}, {:opentelemetry_api, "~> 1.2", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:tls_certificate_check, "~> 1.18", [hex: :tls_certificate_check, repo: "hexpm", optional: false]}], "hexpm", "1802d1dca297e46f21e5832ecf843c451121e875f73f04db87355a6cb2ba1710"},
+  "opentelemetry_process_propagator": {:hex, :opentelemetry_process_propagator, "0.2.2", "85244a49f0c32ae1e2f3d58c477c265bd6125ee3480ade82b0fa9324b85ed3f0", [:mix, :rebar3], [{:opentelemetry_api, "~> 1.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}], "hexpm", "04db13302a34bea8350a13ed9d49c22dfd32c4bc590d8aa88b6b4b7e4f346c61"},
+  "opentelemetry_semantic_conventions": {:hex, :opentelemetry_semantic_conventions, "0.2.0", "b67fe459c2938fcab341cb0951c44860c62347c005ace1b50f8402576f241435", [:mix, :rebar3], [], "hexpm", "d61fa1f5639ee8668d74b527e6806e0503efc55a42db7b5f39939d84c07d6895"},
+  "opentelemetry_telemetry": {:hex, :opentelemetry_telemetry, "1.0.0", "d5982a319e725fcd2305b306b65c18a86afdcf7d96821473cf0649ff88877615", [:mix, :rebar3], [{:opentelemetry_api, "~> 1.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:telemetry_registry, "~> 0.3.0", [hex: :telemetry_registry, repo: "hexpm", optional: false]}], "hexpm", "3401d13a1d4b7aa941a77e6b3ec074f0ae77f83b5b2206766ce630123a9291a9"},
   "plug": {:hex, :plug, "1.14.2", "cff7d4ec45b4ae176a227acd94a7ab536d9b37b942c8e8fa6dfc0fff98ff4d80", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "842fc50187e13cf4ac3b253d47d9474ed6c296a8732752835ce4a86acdf68d13"},
   "plug_cowboy": {:hex, :plug_cowboy, "2.6.1", "9a3bbfceeb65eff5f39dab529e5cd79137ac36e913c02067dba3963a26efe9b2", [:mix], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:cowboy_telemetry, "~> 0.3", [hex: :cowboy_telemetry, repo: "hexpm", optional: false]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "de36e1a21f451a18b790f37765db198075c25875c64834bcc82d90b309eb6613"},
   "plug_crypto": {:hex, :plug_crypto, "1.2.5", "918772575e48e81e455818229bf719d4ab4181fcbf7f85b68a35620f78d89ced", [:mix], [], "hexpm", "26549a1d6345e2172eb1c233866756ae44a9609bd33ee6f99147ab3fd87fd842"},
   "ranch": {:hex, :ranch, "1.8.0", "8c7a100a139fd57f17327b6413e4167ac559fbc04ca7448e9be9057311597a1d", [:make, :rebar3], [], "hexpm", "49fbcfd3682fab1f5d109351b61257676da1a2fdbe295904176d5e521a2ddfe5"},
   "req": {:hex, :req, "0.3.11", "462315e50db6c6e1f61c45e8c0b267b0d22b6bd1f28444c136908dfdca8d515a", [:mix], [{:brotli, "~> 0.3.1", [hex: :brotli, repo: "hexpm", optional: true]}, {:ezstd, "~> 1.0", [hex: :ezstd, repo: "hexpm", optional: true]}, {:finch, "~> 0.9", [hex: :finch, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:mime, "~> 1.6 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:nimble_csv, "~> 1.0", [hex: :nimble_csv, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "0e4b331627fedcf90b29aa8064cd5a95619ef6134d5ab13919b6e1c4d7cccd4b"},
   "schematic": {:hex, :schematic, "0.2.1", "0b091df94146fd15a0a343d1bd179a6c5a58562527746dadd09477311698dbb1", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "0b255d65921e38006138201cd4263fd8bb807d9dfc511074615cd264a571b3b1"},
+  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
   "styler": {:hex, :styler, "0.8.1", "f3c0f65023e4bfbf7e7aa752d128b8475fdabfd30f96ee7314b84480cc56e788", [:mix], [], "hexpm", "1aa48d3aa689a639289af3d8254d40e068e98c083d6e5e3d1a695e71a147b344"},
   "telemetry": {:hex, :telemetry, "1.2.1", "68fdfe8d8f05a8428483a97d7aab2f268aaff24b49e0f599faa091f1d4e7f61c", [:rebar3], [], "hexpm", "dad9ce9d8effc621708f99eac538ef1cbe05d6a874dd741de2e689c47feafed5"},
+  "telemetry_registry": {:hex, :telemetry_registry, "0.3.1", "14a3319a7d9027bdbff7ebcacf1a438f5f5c903057b93aee484cca26f05bdcba", [:mix, :rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "6d0ca77b691cf854ed074b459a93b87f4c7f5512f8f7743c635ca83da81f939e"},
+  "tls_certificate_check": {:hex, :tls_certificate_check, "1.20.0", "1ac0c53f95e201feb8d398ef9d764ae74175231289d89f166ba88a7f50cd8e73", [:rebar3], [{:ssl_verify_fun, "~> 1.1", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm", "ab57b74b1a63dc5775650699a3ec032ec0065005eff1f020818742b7312a8426"},
   "typed_struct": {:hex, :typed_struct, "0.3.0", "939789e3c1dca39d7170c87f729127469d1315dcf99fee8e152bb774b17e7ff7", [:mix], [], "hexpm", "c50bd5c3a61fe4e198a8504f939be3d3c85903b382bde4865579bc23111d1b6d"},
 }
diff --git a/otel-collector.yaml b/otel-collector.yaml
new file mode 100644
index 00000000..558bc5da
--- /dev/null
+++ b/otel-collector.yaml
@@ -0,0 +1,14 @@
+receivers:
+  otlp:
+    protocols:
+      grpc:
+exporters:
+  otlp:
+    endpoint: tempo:4317
+    tls:
+      insecure: true
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      exporters: [otlp]
diff --git a/prometheus.yaml b/prometheus.yaml
new file mode 100644
index 00000000..eda5d026
--- /dev/null
+++ b/prometheus.yaml
@@ -0,0 +1,11 @@
+global:
+  scrape_interval:     15s
+  evaluation_interval: 15s
+
+scrape_configs:
+  - job_name: 'prometheus'
+    static_configs:
+      - targets: [ 'localhost:9090' ]
+  - job_name: 'tempo'
+    static_configs:
+      - targets: [ 'tempo:3200' ]
diff --git a/tempo.yaml b/tempo.yaml
new file mode 100644
index 00000000..0afa0364
--- /dev/null
+++ b/tempo.yaml
@@ -0,0 +1,46 @@
+server:
+  http_listen_port: 3200
+
+distributor:
+  receivers:                           # this configuration will listen on all ports and protocols that tempo is capable of.
+    jaeger:                            # the receives all come from the OpenTelemetry collector.  more configuration information can
+      protocols:                       # be found there: https://github.com/open-telemetry/opentelemetry-collector/tree/main/receiver
+        thrift_http:                   #
+        grpc:                          # for a production deployment you should only enable the receivers you need!
+        thrift_binary:
+        thrift_compact:
+    zipkin:
+    otlp:
+      protocols:
+        http:
+        grpc:
+    opencensus:
+
+ingester:
+  max_block_duration: 5m               # cut the headblock when this much time passes. this is being set for demo purposes and should probably be left alone normally
+
+compactor:
+  compaction:
+    block_retention: 1h                # overall Tempo trace retention. set for demo purposes
+
+metrics_generator:
+  registry:
+    external_labels:
+      source: tempo
+      cluster: docker-compose
+  storage:
+    path: /tmp/tempo/generator/wal
+    remote_write:
+      - url: http://prometheus:9090/api/v1/write
+        send_exemplars: true
+
+storage:
+  trace:
+    backend: local                     # backend configuration to use
+    wal:
+      path: /tmp/tempo/wal             # where to store the the wal locally
+    local:
+      path: /tmp/tempo/blocks
+
+overrides:
+  metrics_generator_processors: [service-graphs, span-metrics] # enables metrics generator
diff --git a/test/next_ls/extensions/credo_extension_test.exs b/test/next_ls/extensions/credo_extension_test.exs
index e050d67d..3af991ed 100644
--- a/test/next_ls/extensions/credo_extension_test.exs
+++ b/test/next_ls/extensions/credo_extension_test.exs
@@ -47,7 +47,7 @@ defmodule NextLS.CredoExtensionTest do
 
     assert_notification "window/logMessage", %{
       "message" => "[NextLS] [extension] Credo disabled",
-      "type" => 4
+      "type" => 3
     }
   end
 
@@ -60,7 +60,7 @@ defmodule NextLS.CredoExtensionTest do
 
     assert_notification "window/logMessage", %{
       "message" => "[NextLS] [extension] Credo initializing with options" <> _,
-      "type" => 4
+      "type" => 3
     }
 
     uri = uri(foo)
@@ -98,7 +98,7 @@ defmodule NextLS.CredoExtensionTest do
 
     assert_notification "window/logMessage", %{
       "message" => "[NextLS] [extension] Credo initializing with options" <> _,
-      "type" => 4
+      "type" => 3
     }
 
     uri = uri(foo)