chore: source compose database password from secrets

docker-compose.yml

@@ -2,9 +2,9 @@ services:
   postgres:
     image: postgres:latest
     environment:
-      POSTGRES_USER: sa
-      POSTGRES_PASSWORD: P@ssword123!
-      POSTGRES_DB: socialize
+      POSTGRES_USER: ${POSTGRES_USER:-sa}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD is required}
+      POSTGRES_DB: ${POSTGRES_DB:-socialize}
     ports:
       - "5433:5432"
     healthcheck:
@@ -18,9 +18,9 @@ services:
       context: .
       dockerfile: backend/src/Socialize.Api/Dockerfile
     environment:
-      ASPNETCORE_ENVIRONMENT: Development
+      ASPNETCORE_ENVIRONMENT: ${ASPNETCORE_ENVIRONMENT:-Development}
       ASPNETCORE_URLS: http://0.0.0.0:8080
-      ConnectionStrings__PostgresConnection: Host=postgres;Port=5432;Database=socialize;Username=sa;Password=P@ssword123!
+      ConnectionStrings__PostgresConnection: Host=postgres;Port=5432;Database=${POSTGRES_DB:-socialize};Username=${POSTGRES_USER:-sa};Password=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD is required}
     depends_on:
       postgres:
         condition: service_healthy