Automate container build

.github/workflows/ci.yaml

@@ -0,0 +1,17 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    needs: ci
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up registry credentials
+      if: ${{ github.event_name != 'pull_request' }}
+      run: |
+        echo "REGISTRY_USERNAME=${{ secrets.REGISTRY_USERNAME }}" >> $GITHUB_ENV
+        echo "REGISTRY_PASSWORD=${{ secrets.REGISTRY_PASSWORD }}" >> $GITHUB_ENV
+    - name: Run container build script
+      run: bin/build_container_image

README.md

@@ -1,2 +1,6 @@
 # container-amazon-smartstate
 Container for smartstate on AWS
+
+[![CI](https://github.com/ManageIQ/container-amazon-smartstate/actions/workflows/ci.yaml/badge.svg)](https://github.com/ManageIQ/container-amazon-smartstate/actions/workflows/ci.yaml)
+
+[![Build history for master branch](https://buildstats.info/github/chart/ManageIQ/container-amazon-smartstate?branch=master&buildCount=50&includeBuildsFromPullRequest=false&showstats=false)](https://github.com/ManageIQ/container-amazon-smartstate/actions?query=branch%3Amaster)

bin/build_container_image

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+REGISTRY=${REGISTRY:-"docker.io"}
+ORGANIZATION=${ORGANIZATION:-"manageiq"}
+DEFAULT_TAG="latest"
+[ "$GITHUB_EVENT_NAME" == "push" -a "$GITHUB_REF_NAME" != "master" ] && \
+  DEFAULT_TAG="$DEFAULT_TAG-${GITHUB_REF_NAME/\//-}"
+TAG=${TAG:-"$DEFAULT_TAG"}
+DEFAULT_IMAGE_NAME=$REGISTRY/$ORGANIZATION/amazon-smartstate:$TAG
+IMAGE_NAME=${IMAGE_NAME:-"$DEFAULT_IMAGE_NAME"}
+
+set -e
+
+docker build . -t $IMAGE_NAME
+
+[[ -z "$REGISTRY_USERNAME" ]] && exit 0
+
+echo "$REGISTRY_PASSWORD" | docker login $REGISTRY -u $REGISTRY_USERNAME --password-stdin
+
+docker push $IMAGE_NAME
+
+set +e