Build docker images

.github/workflows/ci.yml

@@ -242,7 +242,9 @@ jobs:
   prerelease:
     name: Create a pre-release
     if: github.ref == 'refs/heads/main'
-    needs: build
+    needs:
+      - build
+      - docker
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
@@ -310,4 +312,89 @@ jobs:
           name: "Unstable (built from master)"
           body: ${{ steps.changelog_reader.outputs.changes }}
           files: ${{ steps.artifacts.outputs.files }}
-          gzip: false
+          gzip: false
+
+  docker:
+    needs:
+      - tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ${{ github.repository }}
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=sha,format=short
+            type=edge,branch=main
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}},enable=${{ !contains(github.ref, 'v0.') }}
+            type=ref,enable=true,priority=600,prefix=br-,suffix=,event=branch
+            type=ref,enable=true,priority=600,prefix=,suffix=,event=tag
+            type=ref,enable=true,priority=600,prefix=pr-,suffix=,event=pr
+      - name: Docker meta
+        id: meta-alpine
+        uses: docker/metadata-action@v4
+        with:
+          flavour:
+            suffix=-alpine
+          images: |
+            ${{ github.repository }}
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=sha,format=short
+            type=edge,branch=main
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}},enable=${{ !contains(github.ref, 'v0.') }}
+            type=ref,enable=true,priority=600,prefix=br-,suffix=,event=branch
+            type=ref,enable=true,priority=600,prefix=,suffix=,event=tag
+            type=ref,enable=true,priority=600,prefix=pr-,suffix=,event=pr
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push (alpine)
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          platforms: |
+            linux/arm64
+            linux/amd64
+          push: true
+          file: Dockerfile.alpine
+          tags: ${{ steps.meta-alpine.outputs.tags }}
+          labels: ${{ steps.meta-alpine.outputs.labels }}
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          platforms: |
+            linux/arm/v7
+            linux/arm64
+            linux/amd64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,8 +1,11 @@
 # -*- mode: dockerfile -*-
 
-FROM rust:1.63-alpine AS builder
+FROM rust:1.63 AS builder
 
-RUN apk add --no-cache musl-dev
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    apt update && apt-get --no-install-recommends install -y \
+    libudev-dev
 
 # Build a cacheable layer with project dependencies
 RUN USER=rust cargo new /home/rust/sungrow-winets
@@ -22,8 +25,13 @@ ADD --chown=rust:rust . ./
 RUN cargo build --release
 
 # Now, we need to build our _real_ Docker container, copying in `bump-api`.
-FROM alpine:latest
-RUN apk --no-cache add ca-certificates
+FROM debian:bullseye-slim
+
+RUN rm -f /etc/apt/apt.conf.d/docker-clean; echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    apt update && apt-get --no-install-recommends install -y \
+    libudev1
 
 COPY --from=builder \
     /home/rust/modbus-mqtt/target/release/modbus-mqtt \

Dockerfile.alpine

@@ -0,0 +1,34 @@
+# -*- mode: dockerfile -*-
+
+FROM rust:1.63-alpine AS builder
+
+RUN apk add --no-cache musl-dev
+
+# Build a cacheable layer with project dependencies
+RUN USER=rust cargo new /home/rust/sungrow-winets
+RUN USER=rust cargo new /home/rust/tokio_modbus-winets
+RUN USER=rust cargo new /home/rust/modbus-mqtt
+WORKDIR /home/rust/modbus-mqtt
+ADD --chown=rust:rust Cargo.lock modbus-mqtt/Cargo.toml ./
+RUN cargo build --release
+
+# # Delete files & directories which shouldn't exist for the workspace
+# RUN rm -rf src
+
+# Add our source code.
+ADD --chown=rust:rust . ./
+
+# Build our application.
+RUN cargo build --release
+
+# Now, we need to build our _real_ Docker container, copying in `bump-api`.
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates
+
+COPY --from=builder \
+    /home/rust/modbus-mqtt/target/release/modbus-mqtt \
+    /usr/local/bin/
+
+ENV RUST_LOG=warn,modbus_mqtt=info
+
+ENTRYPOINT ["/usr/local/bin/modbus-mqtt"]