feat: add sqlc configuration and postgres to docker compose

docker-compose.yaml

@@ -1,9 +1,30 @@
 version: '3.1'
 
 services:
-  url-short:
+  api:
     image: url-short:latest
     env_file:
       - .env
     ports:
       - 5001:8080
+    depends_on:
+      db:
+        condition: service_healthy
+  db:
+    image: postgres:16-alpine
+    restart: always
+    environment:
+      PGDATA: /var/lib/postgresql/data/pgdata
+      PGUSER: url-short
+      POSTGRES_PASSWORD: password
+    volumes:
+      -  pgdata:/var/lib/postgresql/data
+    ports:
+      - 5002:5432
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready"]
+      interval: 2s
+      timeout: 5s
+      retries: 10
+volumes:
+  pgdata:

sqlc.yaml

@@ -0,0 +1,8 @@
+version: "2"
+sql:
+  - schema: "sql/schema"
+    queries: "sql/queries"
+    engine: "postgresql"
+    gen:
+      go:
+        out: "internal/database"