#!/bin/bash

BACKUP_DIR="/opt/nginx/backups"
CONTAINER="nginx"
DATE=$(date -u +"%Y-%m-%d_%H-%M-%S")

mkdir -p "$BACKUP_DIR"

TMP_DIR=$(mktemp -d)

docker cp "${CONTAINER}:/etc/nginx" "$TMP_DIR/nginx"

tar -czf "${BACKUP_DIR}/nginx_${DATE}.tar.gz" \
    -C "$TMP_DIR" nginx

rm -rf "$TMP_DIR"