Add full sortof codebase: API, drain workers, frontend, schema, specs

api/db.py

@@ -0,0 +1,34 @@
+"""asyncpg pool factory. DSN is built from /opt/sortof/.env at startup."""
+
+from __future__ import annotations
+
+import os
+import urllib.parse
+from pathlib import Path
+
+import asyncpg
+from dotenv import load_dotenv
+
+ENV_PATH = Path(__file__).resolve().parent.parent / ".env"
+
+
+def _build_dsn() -> str:
+    load_dotenv(ENV_PATH)
+    explicit = os.environ.get("DATABASE_URL")
+    if explicit:
+        return explicit
+    user = os.environ["POSTGRES_USER"]
+    pw = urllib.parse.quote(os.environ["POSTGRES_PASSWORD"], safe="")
+    name = os.environ["POSTGRES_DB"]
+    host = os.environ.get("POSTGRES_HOST", "127.0.0.1")
+    port = os.environ.get("POSTGRES_PORT", "5439")
+    return f"postgresql://{user}:{pw}@{host}:{port}/{name}"
+
+
+async def create_pool() -> asyncpg.Pool:
+    return await asyncpg.create_pool(
+        dsn=_build_dsn(),
+        min_size=1,
+        max_size=8,
+        command_timeout=15,
+    )