Add webroot + db backup script

.github/workflows/build-db-webroot-backup.yml

@@ -0,0 +1,29 @@
+name: Build DB/Webroot Backup Image
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'db-webroot-backup/*'
+      - '.github/workflows/build-db-webroot-backup.yml'
+  pull_request:
+    paths:
+      - 'db-webroot-backup/*'
+      - '.github/workflows/build-db-webroot-backup.yml'
+  workflow_dispatch:
+  schedule:
+    - cron: '30 12 * * 5'
+
+concurrency:
+  # SHA is added to the end if on `main` to let all main workflows run
+  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == 'refs/heads/main' && github.sha || '' }}
+  cancel-in-progress: true
+
+jobs:
+  package:
+    uses: Chia-Network/actions/.github/workflows/docker-build.yaml@main
+    with:
+      docker-context: "./db-webroot-backup"
+      dockerfile: "./db-webroot-backup/Dockerfile"
+      image_subpath: "db-webroot-backup"

db-webroot-backup/Dockerfile

@@ -0,0 +1,9 @@
+FROM alpine:latest
+
+RUN apk add mysql-client aws-cli
+
+COPY entrypoint.sh /entrypoint.sh
+
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

db-webroot-backup/entrypoint.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+check_env_var() {
+    var_name=$1
+    eval var_value="\$$var_name"
+
+    if [ -z "$var_value" ]; then
+        echo "Error: Environment variable $var_name is not set or is empty."
+        exit 1
+    fi
+}
+
+# Check required environment variables
+check_env_var "SITENAME"
+check_env_var "WEBROOT_PATH"
+check_env_var "DB_HOST"
+check_env_var "DB_NAME"
+check_env_var "DB_USER"
+check_env_var "DB_PASS"
+check_env_var "BUCKET_NAME"
+
+DATE=$(date +%d%m%y%H%M)
+
+mkdir -p /tmp/site-backup/
+
+# export database
+mysqldump --single-transaction -h "$DB_HOST" -u "$DB_USER" "-p${DB_PASS}" "$DB_NAME" | gzip > "/tmp/site-backup/${SITENAME}_${DATE}.sql.gz"
+
+# export files
+tar cvzf "/tmp/site-backup/${SITENAME}_${DATE}.tar.gz" -C "$WEBROOT_PATH"
+
+# sync to amazon
+aws s3 cp "/tmp/site-backup/${SITENAME}_${DATE}.sql.gz" "s3://${BUCKET_NAME}/"
+aws s3 cp "/tmp/site-backup/${SITENAME}_${DATE}.tar.gz" "s3://${BUCKET_NAME}/"