add docker build workflow (#29)

* add docker build workflow
* support multiple platforms
* add caching to build

.github/workflows/docker.yml

@@ -0,0 +1,60 @@
+name: docker
+
+on:
+  push:
+    branches:
+      - '**'
+    tags:
+      - '*.*.*'
+      - '*.*'
+  pull_request:
+    branches:
+      - 'master'
+
+jobs:
+  auth-management-api:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            orchestracities/auth-management-api
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=edge,branch=master
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          file: Dockerfile-api
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

RELEASE_NOTES.md

@@ -4,7 +4,8 @@
 
 ### New features
 
-- Testing and full setup
+- Support for orion subscriptions in rego file
+- Separate api rules from policy data
 - Refactor dependencies
 
 ### Bug fixes
@@ -14,9 +15,11 @@
 - Improved documentation
 - Fix credits text
 
-### Continous Integration
+### Continuous Integration
 
 - Add caching and multiple python version testing
+- Add docker build workflow
+- Testing and full setup
 
 ### Technical debt