Github container repository support (#183)

* Add GHCR support

* Add layer caching

.github/workflows/docker-compile-master.yml

@@ -1,34 +0,0 @@
-name: Docker image build
-
-on:
-  push:
-    branches:
-      - master
-env:
-  CARGO_TERM_COLOR: always
-  SQLX_OFFLINE: true
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      -
-        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: Build and push Docker images
-        uses: docker/build-push-action@v1
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-          repository: modrinth/labrinth
-          tag_with_ref: false
-          tags: master
-          tag_with_sha: true

.github/workflows/docker-compile-tag.yml

@@ -1,36 +0,0 @@
-name: Docker image build
-
-on:
-  push:
-    # Sequence of patterns matched against refs/tags
-    tags:
-      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
-env:
-  CARGO_TERM_COLOR: always
-  SQLX_OFFLINE: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      -
-        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: Build and push Docker images
-        uses: docker/build-push-action@v1
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-          repository: modrinth/labrinth
-          tag_with_ref: true
-          tags: latest
-          tag_with_sha: true

.github/workflows/docker-compile.yml

@@ -1,31 +1,73 @@
-name: Docker image build
+name: docker-build
 
 on:
+  push:
+    branches:
+      - '**'
+    tags:
+      - 'v*'
   pull_request:
-env:
-  CARGO_TERM_COLOR: always
-  SQLX_OFFLINE: true
+
 jobs:
-  build:
+  docker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Docker Buildx
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: |
+            ghcr.io/modrinth/labrinth
+            docker.io/modrinth/labrinth
+      -
+        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
+      -
+        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: Build Docker images
-        uses: docker/build-push-action@v1
+      -
+        name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
         with:
-          push: false
+          registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-          registry: docker.pkg.github.com
-          repository: modrinth/labrinth/labrinth
-          tag_with_ref: true
-          tag_with_sha: true
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v1
+        if: github.event_name != 'pull_request'
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          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-new
+      -
+        # Temp fix
+        # https://github.com/docker/build-push-action/issues/252
+        # https://github.com/moby/buildkit/issues/1896
+        name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache