diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 3501a78ca..86bbf642e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -60,6 +60,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Build
-        run: docker build . --rm -t electrs:tests
+        run: docker build -f Dockerfile.ci . --rm -t electrs:tests
       - name: Test
         run: docker run -v $PWD/contrib/:/contrib -v $PWD/tests/:/tests --rm electrs:tests bash /tests/run.sh
diff --git a/Dockerfile b/Dockerfile
index 4a033ab71..9c45ddc9e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,42 +2,23 @@
 # The maintainers of electrs are not deeply familiar with Docker, so you should DYOR.
 # If you are not familiar with Docker either it's probably be safer to NOT use it.
 
+FROM debian:bullseye-slim as base
+RUN apt-get update -qqy
+RUN apt-get install -qqy librocksdb-dev=6.11.4-3
+
 ### Electrum Rust Server ###
-FROM rust:1.41.1-slim as electrs-build
-RUN apt-get update
-RUN apt-get install -qq -y clang cmake
+FROM base as electrs-build
+RUN apt-get install -qqy cargo clang cmake build-essential
 
 # Install electrs
 WORKDIR /build/electrs
 COPY . .
+ENV ROCKSDB_INCLUDE_DIR=/usr/include
+ENV ROCKSDB_LIB_DIR=/usr/lib
 RUN cargo install --locked --path .
 
-FROM debian:buster-slim as updated
-RUN apt-get update -qqy
-
-### Bitcoin Core ###
-FROM updated as bitcoin-build
-# Download
-RUN apt-get install -qqy wget
-WORKDIR /build/bitcoin
-ARG BITCOIND_VERSION=22.0
-RUN wget -q https://bitcoincore.org/bin/bitcoin-core-$BITCOIND_VERSION/bitcoin-$BITCOIND_VERSION-x86_64-linux-gnu.tar.gz
-RUN tar xvf bitcoin-$BITCOIND_VERSION-x86_64-linux-gnu.tar.gz
-RUN mv -v bitcoin-$BITCOIND_VERSION/bin/bitcoind .
-RUN mv -v bitcoin-$BITCOIND_VERSION/bin/bitcoin-cli .
-
-FROM updated as result
+FROM base as result
 # Copy the binaries
-COPY --from=electrs-build /usr/local/cargo/bin/electrs /usr/bin/electrs
-COPY --from=bitcoin-build /build/bitcoin/bitcoind /build/bitcoin/bitcoin-cli /usr/bin/
-RUN bitcoind -version && bitcoin-cli -version
-
-### Electrum ###
-# Clone latest Electrum wallet and a few test tools
-WORKDIR /build/
-RUN apt-get install -qqy git libsecp256k1-0 python3-cryptography python3-setuptools python3-pip jq curl
-RUN git clone --recurse-submodules https://github.com/spesmilo/electrum/ && cd electrum/ && git log -1
-RUN python3 -m pip install -e electrum/
+COPY --from=electrs-build /root/.cargo/bin/electrs /usr/bin/electrs
 
-RUN electrum version --offline
 WORKDIR /
diff --git a/Dockerfile.ci b/Dockerfile.ci
new file mode 100644
index 000000000..770a867e1
--- /dev/null
+++ b/Dockerfile.ci
@@ -0,0 +1,44 @@
+# Important: This file is provided for demonstration purposes and may NOT be suitable for production use.
+# The maintainers of electrs are not deeply familiar with Docker, so you should DYOR.
+# If you are not familiar with Docker either it's probably be safer to NOT use it.
+
+FROM debian:bullseye-slim as base
+RUN apt-get update -qqy
+RUN apt-get install -qqy librocksdb-dev=6.11.4-3 wget
+
+### Electrum Rust Server ###
+FROM base as electrs-build
+RUN apt-get install -qqy cargo clang cmake build-essential
+
+# Install electrs
+WORKDIR /build/electrs
+COPY . .
+ENV ROCKSDB_INCLUDE_DIR=/usr/include
+ENV ROCKSDB_LIB_DIR=/usr/lib
+RUN cargo install --locked --path .
+
+### Bitcoin Core ###
+FROM base as bitcoin-build
+# Download
+WORKDIR /build/bitcoin
+ARG BITCOIND_VERSION=22.0
+RUN wget -q https://bitcoincore.org/bin/bitcoin-core-$BITCOIND_VERSION/bitcoin-$BITCOIND_VERSION-x86_64-linux-gnu.tar.gz
+RUN tar xvf bitcoin-$BITCOIND_VERSION-x86_64-linux-gnu.tar.gz
+RUN mv -v bitcoin-$BITCOIND_VERSION/bin/bitcoind .
+RUN mv -v bitcoin-$BITCOIND_VERSION/bin/bitcoin-cli .
+
+FROM base as result
+# Copy the binaries
+COPY --from=electrs-build /root/.cargo/bin/electrs /usr/bin/electrs
+COPY --from=bitcoin-build /build/bitcoin/bitcoind /build/bitcoin/bitcoin-cli /usr/bin/
+RUN bitcoind -version && bitcoin-cli -version
+
+### Electrum ###
+# Clone latest Electrum wallet and a few test tools
+WORKDIR /build/
+RUN apt-get install -qqy git libsecp256k1-0 python3-cryptography python3-setuptools python3-pip jq curl
+RUN git clone --recurse-submodules https://github.com/spesmilo/electrum/ && cd electrum/ && git log -1
+RUN python3 -m pip install -e electrum/
+
+RUN electrum version --offline
+WORKDIR /
diff --git a/rust-toolchain b/rust-toolchain
index f86fb9cbc..9db5ea12f 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.41.1
+1.48.0
diff --git a/src/config.rs b/src/config.rs
index 747c79767..947fa63f9 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -17,8 +17,9 @@ const DEFAULT_SERVER_ADDRESS: [u8; 4] = [127, 0, 0, 1]; // by default, serve on
 
 mod internal {
     #![allow(unused)]
-    #![allow(clippy::identity_conversion)]
     #![allow(clippy::cognitive_complexity)]
+    #![allow(clippy::unnecessary_lazy_evaluations)]
+    #![allow(clippy::useless_conversion)]
 
     include!(concat!(env!("OUT_DIR"), "/configure_me_config.rs"));
 }
diff --git a/src/p2p.rs b/src/p2p.rs
index 550f07f55..b027a2c9a 100644
--- a/src/p2p.rs
+++ b/src/p2p.rs
@@ -313,6 +313,7 @@ fn build_version_message() -> NetworkMessage {
 }
 
 fn is_block_inv(inv: &Inventory) -> bool {
+    #![allow(clippy::match_like_matches_macro)] // TODO: remove after dropping Rust 1.41.1 support
     if let Inventory::Block(_) = inv {
         true
     } else {