Move docker image build to github actions

.github/.gitignore

@@ -0,0 +1 @@
+*.html

.github/workflows/docker.yaml

@@ -0,0 +1,92 @@
+name: Build Docker Image
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+env:
+  TAG_LOADBALANCER: mrcide/hintr-loadbalancer
+  TAG_LOADBALANCER_GHCR: mrc-ide/hintr-loadbalancer
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - id: extract_branch
+        name: Setup Environment
+        shell: bash
+        run: |
+          if [ "${{github.event_name}}" = "pull_request" ];
+          then
+            LONG_SHA=${{ github.event.pull_request.head.sha }}
+            echo "CI_BRANCH=${{ github.head_ref }}" >> $GITHUB_OUTPUT
+          else
+            LONG_SHA=${GITHUB_SHA}
+            echo "CI_BRANCH=${{ github.ref_name }}" >> $GITHUB_OUTPUT
+          fi
+          echo "CI_SHA=${LONG_SHA:0:7}" >> $GITHUB_OUTPUT
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Login to GHCR (GitHub Packages)
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build dev loadbalancer container
+        uses: docker/build-push-action@v6
+        if: github.event_name == 'pull_request'
+        with:
+          load: true
+          tags: |
+            ${{env.TAG_LOADBALANCER}}:${{steps.extract_branch.outputs.CI_BRANCH}}
+            ghcr.io/${{env.TAG_LOADBALANCER_GHCR}}:${{steps.extract_branch.outputs.CI_BRANCH}}
+
+      - name: Build prod loadbalancer container
+        uses: docker/build-push-action@v6
+        if: github.event_name != 'pull_request'
+        with:
+          load: true
+          tags: |
+            ${{env.TAG_LOADBALANCER}}:latest
+            ${{env.TAG_LOADBALANCER}}:${{steps.extract_branch.outputs.CI_BRANCH}}
+            ghcr.io/${{env.TAG_LOADBALANCER_GHCR}}:latest
+            ghcr.io/${{env.TAG_LOADBALANCER_GHCR}}:${{steps.extract_branch.outputs.CI_BRANCH}}
+
+      - name: Test loadbalancer container
+        run: ./test
+        env:
+          TAG_BRANCH: ${{env.TAG_LOADBALANCER}}:${{steps.extract_branch.outputs.CI_BRANCH}}
+
+      - name: Push dev loadbalancer container
+        uses: docker/build-push-action@v6
+        if: github.event_name == 'pull_request'
+        with:
+          push: true
+          tags: |
+            ${{env.TAG_LOADBALANCER}}:${{steps.extract_branch.outputs.CI_BRANCH}}
+            ghcr.io/${{env.TAG_LOADBALANCER_GHCR}}:${{steps.extract_branch.outputs.CI_BRANCH}}
+
+      - name: Push prod loadbalancer container
+        uses: docker/build-push-action@v6
+        if: github.event_name != 'pull_request'
+        with:
+          push: true
+          tags: |
+            ${{env.TAG_LOADBALANCER}}:latest
+            ${{env.TAG_LOADBALANCER}}:${{steps.extract_branch.outputs.CI_BRANCH}}
+            ghcr.io/${{env.TAG_LOADBALANCER_GHCR}}:latest
+            ghcr.io/${{env.TAG_LOADBALANCER_GHCR}}:${{steps.extract_branch.outputs.CI_BRANCH}}

.gitignore

@@ -0,0 +1 @@
+.idea

test

@@ -1,10 +1,8 @@
 #!/usr/bin/env bash
 set -ex
-HERE=$(dirname $0)
-. $HERE/common
 
 # In case we switch agents between steps or tag has been updated
-docker pull $TAG_SHA
+docker pull "$TAG_BRANCH"
 
 NAME_NETWORK=hintr_network
 NAME_LOADBALANCER=hintr_loadbalancer
@@ -34,7 +32,7 @@ docker run --rm -d --network=$NAME_NETWORK \
 docker run --rm -d --network=$NAME_NETWORK \
     -p 8888:8888 \
     --name $NAME_LOADBALANCER \
-    $TAG_SHA
+    "$TAG_BRANCH"
 
 ## Data API is running
 sleep 2