Major fixes for Postgres

backend/postgres/.env.example

@@ -1,5 +1,5 @@
 # PostgreSQL root user
-POSTGRES_USER=
+POSTGRES_USER_FILE=
 POSTGRES_PASSWORD_FILE=/run/secrets/YOUR_SECRET_PASS
 
 # Timezone settings

backend/postgres/compose.yml

@@ -9,25 +9,25 @@ services:
       start_period: 20s
       test:
       - CMD-SHELL
-      - pg_isready -U $${POSTGRES_USER}
+      - pg_isready -U $${POSTGRES_USER_FILE}
       timeout: 5s
     env_file:
       - .env
     secrets:
-      - PGROOT_PASS
+      - POSTGRES_USER
-      # - PSUSER_PASS
+      - POSTGRES_PASS
     volumes:
-      - pgdata:/var/lib/postgresql/18/docker
+      - pgdata:/var/lib/postgresql
     networks:
       - db
 volumes:
   pgdata:
     name: pgdata
 secrets:
-  PGROOT_PASS:
+  POSTGRES_USER:
-    file: .secrets/PGROOT_PASS
+    file: .secrets/POSTGRES_USER
-  # PSUSER_PASS:
+  POSTGRES_PASS:
-  #   file: .secrets/PSUSER_PASS
+    file: .secrets/POSTGRES_PASS
 networks:
   db:
     external: