build ARM64 docker image + caching + alpine 3.14

.github/workflows/container-release.yml

@@ -17,6 +17,8 @@ jobs:
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
+        with:
+          platforms: arm64
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
@@ -28,12 +30,43 @@ jobs:
           username: ${{ secrets.QUAY_USERNAME }}
           password: ${{ secrets.QUAY_PASSWORD }}
 
-      - name: Build and push for Push Event
+      - name: Cache Docker layers
+        if: github.ref == 'refs/heads/master'
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-multi-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-multi-buildx
+
+      - name: Build and push Docker AMD64 image for Push Event
         if: github.ref == 'refs/heads/master'
         uses: docker/build-push-action@v2
         with:
           context: .
           file: docker/Dockerfile
+          platforms: linux/amd64
           labels: quay.expires-after=12w
           push: true
           tags: quay.io/invidious/invidious:${{ github.sha }},quay.io/invidious/invidious:latest
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,mode=max,dest=/tmp/.buildx-cache-new
+
+      - name: Build and push Docker ARM64 image for Push Event
+        if: github.ref == 'refs/heads/master'
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: docker/Dockerfile.arm64
+          platforms: linux/arm64/v8
+          labels: quay.expires-after=12w
+          push: true
+          tags: quay.io/invidious/invidious:${{ github.sha }}-arm64,quay.io/invidious/invidious:latest-arm64
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,mode=max,dest=/tmp/.buildx-cache-new
+
+      - name: Override old Docker cache
+        if: github.ref == 'refs/heads/master'
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

docker/Dockerfile.arm64

@@ -1,4 +1,4 @@
-FROM alpine:edge AS liblsquic-builder
+FROM alpine:3.14 AS liblsquic-builder
 WORKDIR /src
 
 RUN apk add --no-cache build-base git apk-tools abuild cmake go perl linux-headers
@@ -29,7 +29,7 @@ RUN mkdir tmp && cd tmp && \
     cd .. && rm -rf tmp
 
 
-FROM alpine:edge AS builder
+FROM alpine:3.14 AS builder
 RUN apk add --no-cache 'crystal<2' shards sqlite-static yaml-static yaml-dev libxml2-dev zlib-static openssl-libs-static openssl-dev musl-dev
 
 WORKDIR /invidious