Add CI builds and publish

.github/workflows/build.yml

@@ -0,0 +1,33 @@
+name: Build checks
+
+on:
+  push:
+    branches:
+      - '**'
+
+jobs:
+  lint:
+    name: hadolint
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Lint checks
+        uses: hadolint/hadolint-action@v1.6.0
+        with:
+          dockerfile: Dockerfile
+
+  build:
+    name: docker build
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Build
+        run: >
+            docker build .
+            --build-arg BUILD_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+            --build-arg VCS_REF=${GITHUB_SHA}
+            -t randr0id/android-docker:latest
+            -t randr0id/android-docker:${GITHUB_REF_NAME}
+

.github/workflows/publish.yml

@@ -0,0 +1,28 @@
+name: Publish
+
+on:
+  release:
+    types: [released]
+
+jobs:
+  publish:
+    name: Release build and publish
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Release build
+        run: >
+            docker build .
+            --build-arg BUILD_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+            --build-arg VCS_REF=${GITHUB_SHA}
+            -t randr0id/android-docker:latest
+            -t randr0id/android-docker:${GITHUB_REF_NAME}
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+      - name: Publish to Docker Hub
+        run: docker push randr0id/android-docker --all-tags
+

.hadolint.yaml

@@ -1,5 +1,6 @@
 ignored:
   - DL3008
+  - DL3059
   - DL4006
   - SC2086
   - SC2154

README.md

@@ -1,5 +1,5 @@
 # Android Docker Image
-[![License](http://img.shields.io/badge/License-Apache%202.0-blue.svg?style=flat)](http://www.apache.org/licenses/LICENSE-2.0) [![Download](https://img.shields.io/docker/v/randr0id/android-docker?style=flat-square)](https://hub.docker.com/r/randr0id/android-docker/tags)
+[![License](http://img.shields.io/badge/License-Apache%202.0-blue.svg?style=flat)](http://www.apache.org/licenses/LICENSE-2.0) [![Download](https://img.shields.io/docker/v/randr0id/android-docker?style=flat-square)](https://hub.docker.com/r/randr0id/android-docker/tags) [![Workflow](https://github.com/randr0id/android-docker/actions/workflows/build.yml/badge.svg)](https://github.com/randr0id/android-docker/actions/workflows/build.yml)
 
 _A Docker image for building and testing Android apps._
 

packages.txt

@@ -1,3 +1,2 @@
 build-tools;31.0.0
-platforms;android-30
 platforms;android-31