From 4f87d8262aa71dd83c11a9a81b87c546d2edbcdd Mon Sep 17 00:00:00 2001
From: edgurgel <eduardo@gurgel.me>
Date: Wed, 26 Jun 2024 21:37:33 +1200
Subject: [PATCH] mix release.init

---
 config/{releases.exs => runtime.exs} |  0
 rel/env.bat.eex                      | 10 ++++++----
 rel/env.sh.eex                       | 26 ++++++++++++++++----------
 rel/remote.vm.args.eex               | 12 ++++++++++++
 rel/vm.args.eex                      |  9 +++++----
 5 files changed, 39 insertions(+), 18 deletions(-)
 rename config/{releases.exs => runtime.exs} (100%)
 create mode 100644 rel/remote.vm.args.eex

diff --git a/config/releases.exs b/config/runtime.exs
similarity index 100%
rename from config/releases.exs
rename to config/runtime.exs
diff --git a/rel/env.bat.eex b/rel/env.bat.eex
index 482ffaf..0d82afd 100644
--- a/rel/env.bat.eex
+++ b/rel/env.bat.eex
@@ -1,6 +1,8 @@
 @echo off
-rem Set the release to work across nodes. If using the long name format like
-rem the one below (my_app@127.0.0.1), you need to also uncomment the
-rem RELEASE_DISTRIBUTION variable below.
+rem Set the release to load code on demand (interactive) instead of preloading (embedded).
+rem set RELEASE_MODE=interactive
+
+rem Set the release to work across nodes.
+rem RELEASE_DISTRIBUTION must be "sname" (local), "name" (distributed) or "none".
 rem set RELEASE_DISTRIBUTION=name
-rem set RELEASE_NODE=<%= @release.name %>@127.0.0.1
+rem set RELEASE_NODE=<%= @release.name %>
diff --git a/rel/env.sh.eex b/rel/env.sh.eex
index 6a0e6b1..ab7b76a 100644
--- a/rel/env.sh.eex
+++ b/rel/env.sh.eex
@@ -1,14 +1,20 @@
 #!/bin/sh
 
-# Sets and enables heart (recommended only in daemon mode)
-# if [ "$RELEASE_COMMAND" = "daemon" ] || [ "$RELEASE_COMMAND" = "daemon_iex" ]; then
-#   HEART_COMMAND="$RELEASE_ROOT/bin/$RELEASE_NAME $RELEASE_COMMAND"
-#   export HEART_COMMAND
-#   export ELIXIR_ERL_OPTIONS="-heart"
-# fi
+# # Sets and enables heart (recommended only in daemon mode)
+# case $RELEASE_COMMAND in
+#   daemon*)
+#     HEART_COMMAND="$RELEASE_ROOT/bin/$RELEASE_NAME $RELEASE_COMMAND"
+#     export HEART_COMMAND
+#     export ELIXIR_ERL_OPTIONS="-heart"
+#     ;;
+#   *)
+#     ;;
+# esac
 
-# Set the release to work across nodes. If using the long name format like
-# the one below (my_app@127.0.0.1), you need to also uncomment the
-# RELEASE_DISTRIBUTION variable below.
+# # Set the release to load code on demand (interactive) instead of preloading (embedded).
+# export RELEASE_MODE=interactive
+
+# # Set the release to work across nodes.
+# # RELEASE_DISTRIBUTION must be "sname" (local), "name" (distributed) or "none".
 # export RELEASE_DISTRIBUTION=name
-# export RELEASE_NODE=<%= @release.name %>@127.0.0.1
+# export RELEASE_NODE=<%= @release.name %>
diff --git a/rel/remote.vm.args.eex b/rel/remote.vm.args.eex
new file mode 100644
index 0000000..d9dfd37
--- /dev/null
+++ b/rel/remote.vm.args.eex
@@ -0,0 +1,12 @@
+## Customize flags given to the VM: https://www.erlang.org/doc/man/erl.html
+## -mode/-name/-sname/-setcookie are configured via env vars, do not set them here
+
+## Increase number of concurrent ports/sockets
+##+Q 65536
+
+## Tweak GC to run more often
+##-env ERL_FULLSWEEP_AFTER 10
+
+## Enable deployment without epmd
+## (requires changing both vm.args and remote.vm.args)
+##-start_epmd false -erl_epmd_port 6789 -dist_listen false
diff --git a/rel/vm.args.eex b/rel/vm.args.eex
index 71e8032..a37b126 100644
--- a/rel/vm.args.eex
+++ b/rel/vm.args.eex
@@ -1,11 +1,12 @@
-## Customize flags given to the VM: http://erlang.org/doc/man/erl.html
+## Customize flags given to the VM: https://www.erlang.org/doc/man/erl.html
 ## -mode/-name/-sname/-setcookie are configured via env vars, do not set them here
 
-## Number of dirty schedulers doing IO work (file, sockets, etc)
-##+SDio 5
-
 ## Increase number of concurrent ports/sockets
 ##+Q 65536
 
 ## Tweak GC to run more often
 ##-env ERL_FULLSWEEP_AFTER 10
+
+## Enable deployment without epmd
+## (requires changing both vm.args and remote.vm.args)
+##-start_epmd false -erl_epmd_port 6789false