first version

.dockerignore

@@ -0,0 +1,4 @@
+.github
+.DS_Store
+README.md
+LICENSE

.github/workflows/docker-image.yml

@@ -0,0 +1,43 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches:
+      - 'main'
+    tags:
+      - 'v*'
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/[email protected]
+        with:
+          images: joanfabregat/mysql-s3-backup
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.gitignore

@@ -0,0 +1 @@
+.DS_Store

Dockerfile

@@ -0,0 +1,15 @@
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y default-mysql-client awscli gzip
+
+ARG MYSQL_PORT=3306
+ARG S3_PREFIX=/
+
+ENV MYSQL_PORT=$MYSQL_PORT
+ENV S3_PREFIX=$S3_PREFIX
+
+WORKDIR /app
+COPY run.sh .
+RUN chmod +x run.sh
+
+CMD ["sh", "run.sh"]

LICENSE

@@ -0,0 +1,7 @@
+Copyright 2024 Code Inc. / Joan Fabrégat <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -0,0 +1,22 @@
+# MySQL S3 backup
+
+This repository contains a script to backup a MySQL database to an S3 bucket.
+
+## Usage
+
+## Configuration
+
+| Environment variables   | Description       | Default    |
+|-------------------------|-------------------|------------|
+| `MYSQL_HOST`            | MySQL host        | *required* |
+| `MYSQL_PORT`            | MySQL port        | `3306`     |
+| `MYSQL_USER`            | MySQL user        | *required* |
+| `MYSQL_PASSWORD`        | MySQL password    | *required* |
+| `MYSQL_DATABASE`        | MySQL database    | *required* |
+| `S3_BUCKET`             | S3 bucket         | *required* |
+| `S3_PREFIX`             | S3 prefix         | `/`        |
+| `AWS_ACCESS_KEY_ID`     | AWS access key ID | *required* |
+| `AWS_SECRET_ACCESS_KEY` | AWS secret        | *required* |
+| `AWS_DEFAULT_REGION`    | AWS region        | *required* |
+
+## Kubernetes CRON

run.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Dump MySQL database
+mysqldump -h $MYSQL_HOST -P $MYSQL_PORT -u $MYSQL_USER -p$MYSQL_PASSWORD $MYSQL_DATABASE > /tmp/$MYSQL_DATABASE.sql | gzip -c > /tmp/$MYSQL_DATABASE.sql.gz
+
+# Upload to S3
+aws s3 cp /tmp/$MYSQL_DATABASE.sql.gz s3://mybucket/$MYSQL_DATABASE.sql.gz
+
+# Remove dump
+rm /tmp/$MYSQL_DATABASE.sql.gz