From 59f5e34352b3f34be30262f599fa8e5ef3b0db9c Mon Sep 17 00:00:00 2001
From: Jan Rous <rousik@gmail.com>
Date: Sat, 25 Nov 2023 23:25:47 -0700
Subject: [PATCH] Action that triggers docker build on push to main.

---
 .github/workflows/build.yml | 46 +++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 .github/workflows/build.yml

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..74e69dd
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,46 @@
+name: Build Docker Images
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Build and push docker images
+    permissions:
+      contents: read
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+
+    - name: Setup Docker Metadata
+      id: docker_metadata
+      uses: docker/metadata-action@v4.4.0
+      with:
+        images: catalystcoop/pudl-output-differ
+        flavor: latest=auto
+        tags: |
+          type=sha,prefix={{branch}}-
+          type=raw,value=latest-{{branch}}
+    
+    - name: Login to DockerHub
+      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:
+        context: .
+        push: true
+        tags: ${{ steps.docker_metadata.outputs.tags }}
+        labels: ${{ steps.docker_metadata.outputs.labels }}
+        cache-from: type=gha
+        cache-to: type=gha,mode=max
\ No newline at end of file