Vereinfache ERP-Backup auf direkten PostgreSQL-Container

scripts/db/backup-client/docker-compose.yml

@@ -1,18 +0,0 @@
-services:
-  backup:
-    image: postgres:17.7-alpine
-    network_mode: host
-    environment:
-      PGHOST: ${DB_HOST}
-      PGPORT: ${DB_PORT}
-      PGDATABASE: ${DB_NAME}
-      PGUSER: ${DB_USER}
-      PGPASSWORD: ${DB_PASSWORD}
-    entrypoint: ["pg_dump"]
-    command:
-      - "--format=custom"
-      - "--no-owner"
-      - "--no-privileges"
-      - "--file=/backup/current.dump"
-    volumes:
-      - /volume1/naurua_db_backups/dev:/backup

scripts/db/synology_db_backup.sh

@@ -7,10 +7,7 @@ ROOT_DIR="$(cd "${SCRIPT_DIR}/../.." && pwd)"
 ENV_FILE="${ROOT_DIR}/.env"
 BACKUP_DIR="${BACKUP_DIR:-/volume1/naurua_db_backups/dev}"
 FILE_PREFIX="${FILE_PREFIX:-erpnaurua_dev}"
-PG_DUMP_BIN="${PG_DUMP_BIN:-$(command -v pg_dump || true)}"
-PSQL_BIN="${PSQL_BIN:-$(command -v psql || true)}"
 DOCKER_BIN="${DOCKER_BIN:-$(command -v docker || true)}"
-COMPOSE_FILE="${COMPOSE_FILE:-${ROOT_DIR}/scripts/db/backup-client/docker-compose.yml}"
 DOCKER_CMD=()
 
 if [[ ! -f "${ENV_FILE}" ]]; then
@@ -34,11 +31,6 @@ if [[ -z "${DOCKER_BIN}" || ! -x "${DOCKER_BIN}" ]]; then
   echo "Docker is required for the PostgreSQL client container." >&2
   exit 1
 fi
-if [[ ! -f "${COMPOSE_FILE}" ]]; then
-  echo "Missing backup compose file: ${COMPOSE_FILE}" >&2
-  exit 1
-fi
-
 if "${DOCKER_BIN}" info >/dev/null 2>&1; then
   DOCKER_CMD=("${DOCKER_BIN}")
 elif sudo -n "${DOCKER_BIN}" info >/dev/null 2>&1; then
@@ -57,7 +49,16 @@ cleanup() { rm -f "${temporary_file}"; }
 trap cleanup EXIT
 
 export BACKUP_DIR
-"${DOCKER_CMD[@]}" compose --env-file "${ENV_FILE}" --file "${COMPOSE_FILE}" run --rm --no-deps -T backup
+"${DOCKER_CMD[@]}" run --rm --network host \
+  --env-file "${ENV_FILE}" \
+  -e "PGHOST=${DB_HOST}" \
+  -e "PGPORT=${DB_PORT}" \
+  -e "PGDATABASE=${DB_NAME}" \
+  -e "PGUSER=${DB_USER}" \
+  -e "PGPASSWORD=${DB_PASSWORD}" \
+  -v "${BACKUP_DIR}:/backup" \
+  postgres:17.7-alpine \
+  pg_dump --format=custom --no-owner --no-privileges --file=/backup/current.dump
 
 if [[ ! -s "${BACKUP_DIR}/current.dump" ]]; then
   echo "Backup failed: container dump file is empty." >&2