register works!

dev.yml

@@ -2,6 +2,7 @@ services:
   backend:
     build:
       context: backend
+    restart: unless-stopped
     ports:
       - "8000"
     env_file:
@@ -15,6 +16,7 @@ services:
   frontend:
     build:
       context: frontend
+    restart: unless-stopped
     ports:
       - "3000"
     env_file:
@@ -24,6 +26,7 @@ services:
       - ./frontend/app:/app:z
   nginx:
     image: nginx:1.25.4-alpine
+    restart: unless-stopped
     volumes:
       - ./nginx/dev.conf:/etc/nginx/conf.d/default.conf:ro
       - ./static:/static
@@ -34,14 +37,17 @@ services:
       - "80:80"
   postgres:
     image: postgres:16.2-alpine
-    restart: always
+    restart: unless-stopped
+    ports:
+      - "5432:5432"
     volumes:
       - ./postgres_data:/var/lib/postgresql/data/
     env_file:
       - path: ./env/postgres.env
         required: true
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -d ${POSTGRES_DB} --user ${POSTGRES_USER}"]
+      test:
+        ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} --user $${POSTGRES_USER}"]
       interval: 2s
       timeout: 2s
       retries: 5