devops: publish docker canary (#358)

.github/workflows/publish_canary_docker.yml

@@ -0,0 +1,27 @@
+name: "devrelease:docker"
+
+on:
+  push:
+    branches:
+      - master
+jobs:
+  publish-canary-docker:
+    name: "publish to DockerHub"
+    # We use `docker push --all-tags` to push all tags which is a newly addition to docker
+    runs-on: ubuntu-20.04
+    if: github.repository == 'microsoft/playwright-java'
+    steps:
+    - uses: actions/checkout@v2
+    - uses: azure/docker-login@v1
+      with:
+        login-server: playwright.azurecr.io
+        username: playwright
+        password: ${{ secrets.DOCKER_PASSWORD }}
+    - uses: actions/checkout@v2
+    - name: Build Docker image
+      run: docker build -t playwright-java:localbuild-focal -f Dockerfile.focal .
+    - name: tag & publish
+      run: |
+        ./utils/docker/tag_image_and_push.sh playwright-java:localbuild-focal playwright.azurecr.io/public/playwright/java:next
+        ./utils/docker/tag_image_and_push.sh playwright-java:localbuild-focal playwright.azurecr.io/public/playwright/java:next-focal
+        ./utils/docker/tag_image_and_push.sh playwright-java:localbuild-focal playwright.azurecr.io/public/playwright/java:sha-${{ github.sha }}

.github/workflows/test_docker.yml

@@ -9,8 +9,10 @@ on:
       - release-*
   pull_request:
     paths:
-      - '.github/workflows/test_docker.yml'
-      - 'Dockerfile*'
+      - .github/workflows/test_docker.yml
+      - Dockerfile.*
+      - scripts/CLI_VERSION
+      - '**/pom.xml'
     branches:
       - master
       - release-*

scripts/tag_image_and_push.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+echo "-- tagging: $2"
+docker tag $1 $2
+docker push $2