Change format of environment variables in compose files

gitea/compose.yml

@@ -9,12 +9,12 @@ services:
       gitea_db:
         condition: service_healthy
     environment:
-      - GITEA_CUSTOM=/data/gitea/custom
-      - GITEA__database__DB_TYPE=postgres
-      - GITEA__database__HOST=gitea_db:5432
-      - GITEA__database__NAME=gitea
-      - GITEA__database__USER=gitea
-      - GITEA__database__PASSWD=${DB_PASSWORD}
+      GITEA_CUSTOM: /data/gitea/custom
+      GITEA__database__DB_TYPE: postgres
+      GITEA__database__HOST: gitea_db:5432
+      GITEA__database__NAME: gitea
+      GITEA__database__USER: gitea
+      GITEA__database__PASSWD: ${DB_PASSWORD}
     healthcheck:
       test: curl -f http://localhost:3000/api/healthz || exit 1
       interval: 30s
@@ -33,9 +33,9 @@ services:
     container_name: gitea_db
     restart: always
     environment:
-      - POSTGRES_DB=gitea
-      - POSTGRES_USER=gitea
-      - POSTGRES_PASSWORD=${DB_PASSWORD}
+      POSTGRES_DB: gitea
+      POSTGRES_USER: gitea
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
     healthcheck:
       test: pg_isready
       interval: 30s