fix dockerfile for arm64

.github/workflows/docker_build_push.yml

@@ -21,6 +21,9 @@ jobs:
       - name: GitHub Environment
         run: echo "BRANCH=${GITHUB_REF##*/}" >> $GITHUB_ENV
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
@@ -39,9 +42,11 @@ jobs:
           tags: |
             ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
           file: ./docker/Dockerfile
-          platforms: linux/amd64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: linux/amd64,linux/arm64
 
-      - name: Release build and push x86_64-slim
+      - name: Release build and push slim
         if: ${{ env.BRANCH == 'main' }}
         uses: docker/build-push-action@v4
         with:
@@ -50,7 +55,9 @@ jobs:
           tags: |
             ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:slim, ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest-slim
           file: ./docker/Dockerfile.amd64-slim
-          platforms: linux/amd64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: linux/amd64,linux/arm64
 
       - name: Nightly build and push
         if: ${{ env.BRANCH == 'develop' }}
@@ -61,4 +68,6 @@ jobs:
           tags: |
             ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:nightly
           file: ./docker/Dockerfile
-          platforms: linux/amd64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: linux/amd64,linux/arm64

.github/workflows/docker_build_push_arm64.yml

@@ -1,64 +0,0 @@
-name: Build and Publish Docker Aarch64
-
-on:
-  push:
-    branches:
-      - main
-      - develop
-
-jobs:
-  build_and_push:
-    runs-on: ubuntu-latest
-    env:
-      IMAGE_NAME: rpxy
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          submodules: recursive
-
-      - name: GitHub Environment
-        run: echo "BRANCH=${GITHUB_REF##*/}" >> $GITHUB_ENV
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
-      - name: Login to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Release build and push
-        if: ${{ env.BRANCH == 'main' }}
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          push: true
-          tags: |
-            ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
-          file: ./docker/Dockerfile
-          platforms: linux/arm64
-
-      - name: Release build and push aarch64-slim
-        if: ${{ env.BRANCH == 'main' }}
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          push: true
-          tags: |
-            ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:slim, ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest-slim
-          file: ./docker/Dockerfile.arm64-slim
-          platforms: linux/arm64
-
-      - name: Nightly build and push
-        if: ${{ env.BRANCH == 'develop' }}
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          push: true
-          tags: |
-            ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:nightly
-          file: ./docker/Dockerfile
-          platforms: linux/arm64

docker/Dockerfile

@@ -6,7 +6,7 @@ SHELL ["/bin/sh", "-x", "-c"]
 ENV SERIAL 2
 
 ########################################
-FROM base as builder
+FROM --platform=$BUILDPLATFORM base AS builder
 
 ENV CFLAGS=-Ofast
 ENV BUILD_DEPS curl make ca-certificates build-essential
@@ -27,7 +27,7 @@ RUN apt-get update && apt-get install -qy --no-install-recommends $BUILD_DEPS &&
   strip --strip-all /tmp/target/release/rpxy
 
 ########################################
-FROM base AS runner
+FROM --platform=$TARGETPLATFORM base AS runner
 
 ENV RUNTIME_DEPS logrotate ca-certificates gosu
 

docker/Dockerfile.amd64-slim

@@ -1,5 +1,5 @@
 ########################################
-FROM messense/rust-musl-cross:x86_64-musl as builder
+FROM --platform=$BUILDPLATFORM messense/rust-musl-cross:x86_64-musl AS builder
 
 ENV TARGET_DIR=x86_64-unknown-linux-musl
 ENV CFLAGS=-Ofast
@@ -15,7 +15,7 @@ RUN echo "Building rpxy from source" && \
   musl-strip --strip-all /tmp/target/${TARGET_DIR}/release/rpxy
 
 ########################################
-FROM alpine:latest as runner
+FROM --platform=$TARGETPLATFORM alpine:latest AS runner
 LABEL maintainer="Jun Kurihara"
 
 ENV TARGET_DIR=x86_64-unknown-linux-musl

docker/Dockerfile.arm64-slim

@@ -1,5 +1,5 @@
 ########################################
-FROM messense/rust-musl-cross:aarch64-musl as builder
+FROM --platform=$BUILDPLATFORM messense/rust-musl-cross:aarch64-musl AS builder
 
 ENV TARGET_DIR=aarch64-unknown-linux-musl
 ENV CFLAGS=-Ofast
@@ -15,7 +15,7 @@ RUN echo "Building rpxy from source" && \
   musl-strip --strip-all /tmp/target/${TARGET_DIR}/release/rpxy
 
 ########################################
-FROM alpine:latest as runner
+FROM --platform=$TARGETPLATFORM alpine:latest AS runner
 LABEL maintainer="Jun Kurihara"
 
 ENV TARGET_DIR=aarch64-unknown-linux-musl