feat: add Dockerfile (#1009)

Author: MegaRedHand

.dockerignore

@@ -0,0 +1,19 @@
+_build/
+.elixir_ls/
+.github/
+.vscode/
+bench/
+deps/
+docs/
+level_db/
+metrics/
+priv/
+test/
+tmp/
+.all-contributorsrc
+.credo.exs
+.formatter.exs
+.spectest_version
+flake.*
+native/**/target/
+Dockerfile

Dockerfile

@@ -0,0 +1,36 @@
+# libp2p port
+FROM golang:1.21.3 AS libp2p_builder
+LABEL stage=builder
+
+RUN mkdir /libp2p_port
+WORKDIR /libp2p_port
+
+COPY native/libp2p_port /libp2p_port
+
+RUN go build -o libp2p_port
+
+
+# Main image
+FROM elixir:1.16.2-otp-26
+
+RUN mkdir /consensus
+WORKDIR /consensus
+
+ENV MIX_ENV=prod
+
+RUN mix local.hex --force
+
+# Install dependencies
+RUN apt-get update && apt-get install -y cmake
+
+# Install rust
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+ENV PATH="${PATH}:/root/.cargo/bin"
+
+COPY . .
+COPY --from=libp2p_builder /libp2p_port/libp2p_port /consensus/priv/native/libp2p_port
+
+RUN mix deps.get
+RUN mix compile
+
+ENTRYPOINT [ "iex", "-S", "mix", "run", "--"]

README.md

@@ -121,6 +121,20 @@ make dialyzer  # Runs type-checker
 Source code can be formatted using `make fmt`.
 This formats not only the Elixir code, but also the code under [`native/`](./native/).
 
+### Docker
+
+The repo includes a `Dockerfile` for the consensus client. It can be built with:
+
+```bash
+docker build -t consensus .
+```
+
+Then you run it with `docker run`, adding CLI flags as needed:
+
+```bash
+docker run consensus --checkpoint-sync <url> --network <network> ...
+```
+
 ## Consensus spec tests
 
 You can run all of them with:

lib/libp2p_port.ex

@@ -37,7 +37,7 @@ defmodule LambdaEthereumConsensus.Libp2pPort do
 
   require Logger
 
-  @port_name "priv/native/libp2p_port"
+  @port_name Application.app_dir(:lambda_ethereum_consensus, ["priv", "native", "libp2p_port"])
 
   @default_args [
     listen_addr: [],

mix.exs

@@ -5,7 +5,7 @@ defmodule LambdaEthereumConsensus.MixProject do
     [
       app: :lambda_ethereum_consensus,
       version: "0.1.0",
-      elixir: "~> 1.15",
+      elixir: "~> 1.16",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       dialyzer: dialyzer(),
@@ -39,7 +39,7 @@ defmodule LambdaEthereumConsensus.MixProject do
       {:jason, "~> 1.4"},
       {:scrypt_elixir, "~> 0.1.1", hex: :scrypt_elixir_copy},
       {:joken, "~> 2.6"},
-      {:rustler, "~> 0.32"},
+      {:rustler, "~> 0.32", runtime: false},
       {:broadway, "~> 1.0"},
       {:snappyer, "~> 1.2"},
       {:yaml_elixir, "~> 2.8"},