feat(misc/server): add libp2p-lookup to rust-libp2p-server

misc/server/CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.12.2]
+### Changed
+- Add libp2p-lookup to Dockerfile to enable healthchecks
+
 ## [0.12.2]
 ### Fixed
 - Adhere to `--metrics-path` flag and listen on `0.0.0.0:8888` (default IPFS metrics port).

misc/server/Dockerfile

@@ -1,8 +1,12 @@
-FROM rust:1.66-bullseye as builder
+FROM rust:1.67-bullseye as builder
 WORKDIR /usr/src/rust-libp2p-server
 
 # Run with access to the target cache to speed up builds
 WORKDIR /workspace
+
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    cargo install --root /usr/local libp2p-lookup
+
 ADD . .
 RUN --mount=type=cache,target=./target \
     --mount=type=cache,target=/usr/local/cargo/registry \
@@ -12,5 +16,5 @@ RUN --mount=type=cache,target=./target \
     mv ./target/release/libp2p-server /usr/local/bin/libp2p-server
 
 FROM gcr.io/distroless/cc
-COPY --from=builder /usr/local/bin/libp2p-server /usr/local/bin/libp2p-server
+COPY --from=builder /usr/local/bin/libp2p-server /usr/local/bin/libp2p-lookup /usr/local/bin/
 CMD ["libp2p-server"]

misc/server/README.md

@@ -33,3 +33,9 @@ Local peer id: PeerId("12D3KooWSa1YEeQVSwvoqAMhwjKQ6kqZQckhWPb3RWEGV3sZGU6Z")
 Listening on "/ip4/127.0.0.1/udp/4001/quic"
 [...]
 ```
+
+The Docker container includes [libp2-lookup](https://github.com/mxinden/libp2p-lookup/) to enable adding a proper healthcheck for container startup, e.g.
+
+``` shell
+docker run --health-cmd 'libp2p-lookup direct --address /ip4/127.0.0.1/tcp/4001/p2p/QmQCU2EcMqAqQPR2i9bChDtGNJchTbq5TbXJJ16u19uLTa' /home/ipfs/.ipfs:/ipfs ghcr.io/libp2p/rust-libp2p-server --config /ipfs/config
+```