use cargo chef for dockerfile builds + switch to docker actions for c…

…ache storage

.github/workflows/ci.yml

@@ -45,23 +45,19 @@ jobs:
     needs: check
     if: github.ref == 'refs/heads/master'
     steps:
-    - uses: actions/checkout@v4
-    - name: Build image
-      run: docker build . --file Dockerfile --tag $IMAGE_NAME
-    - name: Log into registry
-      run: echo ${{ secrets.PACKAGES_ACCESS_TOKEN }} | docker login ghcr.io -u $GITHUB_ACTOR --password-stdin
-    - name: Push image
-      run: |
-        IMAGE_ID=ghcr.io/${{ github.repository }}
-        # Change all uppercase to lowercase
-        IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-        # Strip git ref prefix from version
-        VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-        # Strip "v" prefix from tag name
-        [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
-        # Use Docker `latest` tag convention
-        [ "$VERSION" == "master" ] && VERSION=latest
-        echo IMAGE_ID=$IMAGE_ID
-        echo VERSION=$VERSION
-        docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
-        docker push $IMAGE_ID:$VERSION
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Login to GHCR
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.PACKAGES_ACCESS_TOKEN }}
+    - name: Build and push
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        push: true
+        tags: ghcr.io/jakewmeyer/sandbox:latest
+        cache-from: type=registry,ref=ghcr.io/jakewmeyer/sandbox:latest
+        cache-to: type=inline

Dockerfile

@@ -1,15 +1,19 @@
-FROM rust:1.72.0-alpine AS chef
+FROM rust:1.72.0-alpine AS base
 RUN apk add musl-dev musl-utils
 RUN cargo install cargo-chef
+
+FROM base AS chef
 COPY . .
 RUN cargo chef prepare --recipe-path recipe.json
 
 FROM chef AS builder
 COPY --from=chef /recipe.json recipe.json
 RUN cargo chef cook --release --recipe-path recipe.json
 COPY . .
-RUN cargo build --target x86_64-unknown-linux-musl --release
+RUN cargo build --target x86_64-unknown-linux-musl --release --bin sandbox-api
 
-FROM alpine:latest
-COPY --from=builder /target/x86_64-unknown-linux-musl/release/sandbox-api .
-ENTRYPOINT ["/sandbox-api"]
+FROM alpine AS runtime
+RUN addgroup -S app && adduser -S app -G app
+COPY --from=builder /target/x86_64-unknown-linux-musl/release/sandbox-api /usr/local/bin/
+USER app
+CMD ["/usr/local/bin/sandbox-api"]