Docker multi arch fix

.github/workflows/docker-test.yml

@@ -11,7 +11,7 @@ jobs:
     timeout-minutes: 1
     services:
       ftpserver:
-        image: ftpserver/ftpserver
+        image: fclairamb/ftpserver
         ports:
           - 2121-2130:2121-2130
 

.github/workflows/docker.yml

@@ -1,29 +1,54 @@
-name: Docker Image
+name: Docker image v2
 
 on:
-  push:
-  release:
-    types:
-      - created
+    push:
+        branches:
+            - "**"
+        tags:
+            - "v*.*.*"
+    pull_request:
 
 jobs:
-  create-docker-image:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Setup go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.15
-
-    - name: Build
-      run: CGO_ENABLED=0 go build
-
-    - name: Publish to Registry
-      uses: elgohr/Publish-Docker-Github-Action@master
-      with:
-        name: ftpserver/ftpserver
-        username: ftpserver
-        password: ${{ secrets.DOCKER_PASSWORD }}
-        tag_semver: true
+    multi-registries:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2
+            - name: Docker meta
+              id: docker_meta
+              uses: crazy-max/ghaction-docker-meta@v1
+              with:
+                  images: fclairamb/ftpserver
+            - name: Set up QEMU
+              uses: docker/setup-qemu-action@v1
+            - name: Set up Docker Buildx
+              uses: docker/setup-buildx-action@v1
+            - name: Cache Docker layers
+              uses: actions/cache@v2
+              with:
+                  path: /tmp/.buildx-cache
+                  key: ${{ runner.os }}-buildx-${{ github.sha }}
+                  restore-keys: |
+                      ${{ runner.os }}-buildx-
+            - name: Login to DockerHub
+              uses: docker/login-action@v1
+              with:
+                  username: ${{ github.repository_owner }}
+                  password: ${{ secrets.DOCKERHUB_TOKEN }}
+            - name: Login to GitHub Container Registry
+              uses: docker/login-action@v1
+              with:
+                  registry: ghcr.io
+                  username: ${{ github.repository_owner }}
+                  password: ${{ secrets.CR_PAT }}
+            - name: Build and push
+              uses: docker/build-push-action@v2
+              with:
+                  context: .
+                  file: ./Dockerfile
+                  platforms: linux/amd64,linux/386,linux/arm/v6,linux/arm/v7,linux/arm64
+                  push: true
+                  tags: ${{ steps.docker_meta.outputs.tags }}
+                  labels: ${{ steps.docker_meta.outputs.labels }}
+                  cache-from: type=local,src=/tmp/.buildx-cache
+                  cache-to: type=local,dest=/tmp/.buildx-cache

Dockerfile

@@ -1,6 +1,19 @@
 # Should be started with:
-# docker run -ti -p 2121-2130:2121-2130 ftpserver/ftpserver
+# docker run -ti -p 2121-2130:2121-2130 fclairamb/ftpserver
+
+# Preparing the build environment
+FROM golang:1.15-alpine AS builder
+ENV GOFLAGS="-mod=readonly"
+RUN apk add --update --no-cache bash ca-certificates curl git
+RUN mkdir -p /workspace
+WORKDIR /workspace
+
+# Building
+COPY . .
+RUN go build -v -o ftpserver
+
+# Preparing the final image
 FROM alpine:3.12.1
 EXPOSE 2121-2130
-COPY ftpserver /bin/ftpserver
+COPY --from=builder /workspace/ftpserver /bin/ftpserver
 ENTRYPOINT [ "/bin/ftpserver" ]