Add initial version of SMWMailer

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: "actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "11:00"
+      timezone: "Europe/Berlin"
+    commit-message:
+      prefix: "Dependency"
+      include: "scope"

.github/workflows/docker-publish.yml

@@ -0,0 +1,57 @@
+name: Docker Push
+
+on:
+  workflow_dispatch:
+  push:
+    # Publish `main` as Docker `latest` image.
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+      - '.github/**'
+
+    # Publish `v1.2.3` tags as releases.
+    tags:
+      - v*
+
+env:
+  IMAGE_NAME: smwmailer
+
+jobs:
+  push:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build image
+        run: docker build . --file Dockerfile --tag $IMAGE_NAME
+
+      - name: Log into registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.repository_owner }} --password-stdin
+
+      - name: Push image
+        run: |
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
+
+          # Change all uppercase to lowercase
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "main" ] && VERSION=latest
+
+          echo IMAGE_ID=$IMAGE_ID
+          echo VERSION=$VERSION
+
+          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION

Dockerfile

@@ -0,0 +1,8 @@
+FROM php:7.4-cli
+
+ENV TZ=Europe/Berlin
+
+RUN apt-get update && \
+    apt-get install -y zip unzip locales &&\
+    sed -i -e 's/# de_DE.UTF-8 UTF-8/de_DE.UTF-8 UTF-8/' /etc/locale.gen &&\
+    locale-gen