Initial

Dockerfile

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+FROM postgres:17.5-alpine3.22
+
+# Add metadata labels
+LABEL maintainer="hads@nice.nz" \
+    description="PostgreSQL backup container for S3-compatible storage" \
+    version="1.0"
+
+# Install packages, create user, and setup directories in a single layer
+RUN apk update && apk upgrade --no-cache \
+    && apk add --no-cache \
+    bash \
+    curl \
+    gzip \
+    rclone \
+    && rm -rf /var/cache/apk/* \
+    && addgroup -g 1000 backup \
+    && adduser -D -u 1000 -G backup backup \
+    && mkdir -p /backups \
+    && chown backup:backup /backups
+
+# Copy backup script with correct ownership
+COPY --chown=backup:backup backup.sh /usr/local/bin/backup.sh
+
+# Make script executable
+RUN chmod +x /usr/local/bin/backup.sh
+
+# Switch to non-root user
+USER backup
+
+# Set working directory
+WORKDIR /backups
+
+# Add health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD pgrep -f backup.sh > /dev/null || exit 1
+
+# Use exec form for better signal handling
+CMD ["/usr/local/bin/backup.sh"]