Use PGPASSWORD instead of hardcoding POSTGRES_PASSWORD in ci.yml

.github/workflows/ci.yml

@@ -47,7 +47,6 @@ jobs:
       postgres:
         image: postgres:latest
         env:
-          POSTGRES_PASSWORD: 'postgres'
           POSTGRES_DB: main
         ports:
           - 5432/tcp

docker-compose.yml

@@ -59,6 +59,7 @@ services:
             POSTGRES_DB: main
             POSTGRES_USER: '${POSTGRES_USER:-postgres}'
             POSTGRES_PASSWORD: '${POSTGRES_PASSWORD:-postgres}'
+            PGPASSWORD: '${POSTGRES_PASSWORD}'
         healthcheck:
             test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER}"]
             interval: 10s