From 141829f722f5c264d019b42e633043b095c5afa0 Mon Sep 17 00:00:00 2001
From: David Nedved <david@nedved.com.au>
Date: Wed, 1 Apr 2020 09:32:19 +1000
Subject: [PATCH] initial support for docker actions

---
 .github/workflows/build-workflow.yml | 77 ++++++++++++++++++++++++++++
 Dockerfile                           | 14 ++++-
 2 files changed, 90 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/build-workflow.yml

diff --git a/.github/workflows/build-workflow.yml b/.github/workflows/build-workflow.yml
new file mode 100644
index 0000000..be74b2a
--- /dev/null
+++ b/.github/workflows/build-workflow.yml
@@ -0,0 +1,77 @@
+- name: Docker Buildx
+  uses: crazy-max/ghaction-docker-buildx@v1.2.1
+
+# Docker Hub CI/CD for Multi Arch Images...
+name: buildx
+
+on:
+  pull_request:
+    branches: master
+  push:
+    branches: master
+    tags:
+
+jobs:
+  buildx:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Prepare
+        id: prepare
+        run: |
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            echo ::set-output name=version::${GITHUB_REF#refs/tags/v}
+          else
+            echo ::set-output name=version::snapshot
+          fi
+          echo ::set-output name=build_date::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
+          echo ::set-output name=docker_platforms::linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/386
+      -
+        name: Checkout
+        uses: actions/checkout@v1
+      -
+        name: Set up Docker Buildx
+        id: buildx
+        uses: crazy-max/ghaction-docker-buildx@v1
+        with:
+          version: latest
+      -
+        name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
+      -
+        name: Run Buildx (Build only - Won't push if build fails...)
+        run: |
+          docker buildx build \
+            --platform ${{ steps.prepare.outputs.docker_platforms }} \
+            --build-arg "BUILD_DATE=${{ steps.prepare.outputs.build_date }}" \
+            --build-arg "VCS_REF=${GITHUB_SHA::8}" \
+            --build-arg "VERSION=${{ steps.prepare.outputs.version }}" \
+
+            --output "type=image,push=false" \
+            --file Dockerfile .
+      -
+        name: Docker Login
+        if: success()
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin
+      -
+        name: Run Buildx (Push to Docker Hub)
+        run: |
+          docker buildx build \
+            --platform ${{ steps.prepare.outputs.docker_platforms }} \
+            --build-arg "BUILD_DATE=${{ steps.prepare.outputs.build_date }}" \
+            --build-arg "VCS_REF=${GITHUB_SHA::8}" \
+            --build-arg "VERSION=${{ steps.prepare.outputs.version }}" \
+
+            --output "type=image,push=true" \
+            --file Dockerfile .
+      -
+        name: Clear
+        if: always()
+        run: |
+          rm -f ${HOME}/.docker/config.json
+
+
diff --git a/Dockerfile b/Dockerfile
index 9f81a23..4f817a6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,16 @@
-FROM debian:stretch
+# Uncomment if building locally...
+# FROM debian:stretch
+
+FROM --platform=${TARGETPLATFORM:-linux/amd64} debian:stretch
+
+ARG BUILD_DATE
+ARG VERSION
+ARG VCS_REF
+ARG TARGETPLATFORM
+
+LABEL org.label-schema.build-date=$BUILD_DATE \
+  org.label-schema.version=$VERSION \
+  org.label-schema.vcs-ref=$VCS_REF \
 
 RUN apt update && apt install -y \
         curl \