first commit

.github/workflows/master.yml

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+name: build and push
+on: 
+  push:
+    branches: main
+env:
+  configmap_image: docker.pkg.github.com/${{ github.repository }}/configmap-reload
+jobs:
+  build-and-push:
+    name: Build and push to ghcr.io
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Set version
+        run: |
+          echo "CONFIGMAP_IMAGE=${configmap_image}:$(date '+%Y-%m-%d')-$(git --no-pager log -1 --pretty=%h)" >> $GITHUB_ENV
+      - name: Build Docker image
+        run: docker build . --tag $CONFIGMAP_IMAGE --tag ${configmap_image}:latest
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@ab80d026d4753220c4243394c07c7d80f9638d06 # Use commit-sha1 instead of tag for security concerns
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Push Docker image
+        run: docker push $CONFIGMAP_IMAGE
+

Dockerfile

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+FROM jimmidyson/configmap-reload@sha256:91467ba755a0c41199a63fe80a2c321c06edc4d3affb4f0ab6b3d20a49ed88d1
+
+COPY entrypoint.sh entrypoint.sh
+
+ENTRYPOINT [ "/bin/sh", "-c", "./entrypoint.sh" ]

README.md

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+# configmap-reload
+
+A version of [jimmidyson/configmap-reload](https://github.com/jimmidyson/configmap-reload) that doesn't exit with a non-zero exit code.

entrypoint.sh

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+trap 'exit 0' SIGINT SIGQUIT SIGTERM
+/configmap-reload