From 79151e2119301af590b1b77cad95c2d95c44897f Mon Sep 17 00:00:00 2001
From: Kelly Sovacool <kelly.sovacool@nih.gov>
Date: Thu, 28 Mar 2024 14:41:51 -0400
Subject: [PATCH 1/2] feat: create docker build action

---
 .github/workflows/docker.yml | 64 ++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 .github/workflows/docker.yml

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..616e056
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,64 @@
+name: docker
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "docker/**"
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "docker/**"
+
+jobs:
+  generate-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix-metadata: ${{ steps.metadata.outputs.matrix }}
+    steps:
+      - uses: hellofresh/action-changed-files@v3
+        id: metadata
+        with:
+          pattern: docker/(?P<image_dir>\w+)/.*
+          default-patterns: |
+            meta.yml
+            Dockerfile
+            environment.txt
+
+  update-docker:
+    needs: [generate-matrix]
+    strategy:
+      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix-metadata) }}
+    if: ${{ fromJson(needs.generate-matrix.outputs.matrix-metadata).include[0] }} # skip if the matrix is empty!
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pietrobolcato/action-read-yaml@1.0.0
+        id: metadata
+        with:
+          config: ${{ github.workspace }}/docker/${{ matrix.image_dir }}/meta.yml
+      - name: Get date
+        id: date
+        run: |
+          echo "DATE=$(date +"%Y-%m-%d")" >> $GITHUB_OUTPUT
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        # only try building & pushing the container if parsing the metadata worked
+        if: ${{ steps.metadata.outputs['container'] != '' }}
+        with:
+          context: docker/${{ matrix.image_dir }}
+          # only push container to docker hub if not triggered from a PR
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.metadata.outputs['container'] }}
+          build-args: |
+            BUILD_DATE=${{ steps.date.outputs.DATE }}
+            BUILD_TAG=${{ steps.metadata.outputs['version'] }}
+            REPONAME=${{ steps.metadata.outputs['image_name'] }}

From 8a8c408f367d108a75aa67cea9088f31dbe3ef82 Mon Sep 17 00:00:00 2001
From: Kelly Sovacool <kelly.sovacool@nih.gov>
Date: Thu, 28 Mar 2024 15:36:06 -0400
Subject: [PATCH 2/2] ci: add action to build docker on workflow dispatch

---
 .../workflows/{docker.yml => docker-auto.yml} |  2 +-
 .github/workflows/docker-manual.yml           | 46 +++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)
 rename .github/workflows/{docker.yml => docker-auto.yml} (99%)
 create mode 100644 .github/workflows/docker-manual.yml

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker-auto.yml
similarity index 99%
rename from .github/workflows/docker.yml
rename to .github/workflows/docker-auto.yml
index 616e056..debc9ac 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker-auto.yml
@@ -1,4 +1,4 @@
-name: docker
+name: docker-auto
 
 on:
   push:
diff --git a/.github/workflows/docker-manual.yml b/.github/workflows/docker-manual.yml
new file mode 100644
index 0000000..b1779f8
--- /dev/null
+++ b/.github/workflows/docker-manual.yml
@@ -0,0 +1,46 @@
+name: docker-manual
+
+on:
+  workflow_dispatch:
+    inputs:
+      context_dir:
+        type: string
+        description: path to the directory containing the Dockerfile and meta.yml file (e.g. docker/r-quarto/)
+        required: true
+      push:
+        type: boolean
+        description: Push to DockerHub (uncheck to only build the container without pushing)
+        required: true
+        default: true
+
+jobs:
+  build-docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pietrobolcato/action-read-yaml@1.0.0
+        id: metadata
+        with:
+          config: ${{ github.workspace }}/${{ github.event.inputs.context_dir }}/meta.yml
+      - name: Login to DockerHub
+        if: ${{ github.event.inputs.push == 'true' }}
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Prepare build-time variables
+        id: vars
+        run: |
+          echo "DATE=$(date +"%Y-%m-%d")" >> "$GITHUB_OUTPUT"
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        # only try building & pushing the container if parsing the metadata worked
+        if: ${{ steps.metadata.outputs['container'] != '' }}
+        with:
+          context: ${{ github.event.inputs.context_dir }}
+          push: ${{ github.event.inputs.push }}
+          tags: ${{ steps.metadata.outputs['container'] }}
+          build-args: |
+            BUILD_DATE=${{ steps.vars.outputs.DATE }}
+            BUILD_TAG=${{ steps.metadata.outputs['version'] }}
+            REPONAME=${{ steps.metadata.outputs['image_name'] }}