Attempt Docker job

Author: Headline

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
             target: x86_64-pc-windows-msvc
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: actions-rs/toolchain@v1
         with:
@@ -45,5 +45,41 @@ jobs:
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
           file: target/${{ matrix.target }}/release/${{ matrix.artifact_name }}
-          asset_name: ${{ matrix.asset_name }}
-          tag: ${{ github.ref }}
+          asset_name: ${{ matrix.artifact_name }}
+          tag: ${{ github.ref }}
+
+  docker:
+    name: Build and Push Docker Image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=raw,value=latest,enable=${{ github.ref == format('refs/tags/{0}', github.event.repository.default_branch) }}
+            type=sha
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ id.meta.outputs.tags }}
+          labels: ${{ id.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,13 @@
+# Builder
+FROM rust:1-slim-bookworm as builder
+WORKDIR /app
+COPY . .
+RUN apt-get update && apt-get install -y pkg-config libssl-dev
+RUN cargo build --release
+
+# Runtime
+FROM debian:bookworm-slim
+WORKDIR /app
+RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /app/target/release/discord-compiler-bot /app/bot
+CMD ["./bot"]