Wiki Jokes: daily LLM jokes from Wikipedia featured article

- FastAPI + APScheduler + SQLite, single container
- Daily generation at 06:00 Europe/Copenhagen + cold-start generation
- Retry with backoff (3 attempts/15 min), stale fallback with banner
- OpenAI-compatible endpoint via env (OPENAI_BASE_URL/MODEL/API_KEY)
- docker-compose with named volume for joke persistence

app/db.py

@@ -0,0 +1,86 @@
+import sqlite3
+from contextlib import contextmanager
+from datetime import date
+
+from .config import settings
+
+SCHEMA = """
+CREATE TABLE IF NOT EXISTS jokes (
+    day TEXT PRIMARY KEY,
+    article_title TEXT NOT NULL,
+    article_url TEXT NOT NULL,
+    jokes TEXT NOT NULL,
+    generated_at TEXT NOT NULL
+);
+"""
+
+
+def init_db() -> None:
+    with _conn() as conn:
+        conn.executescript(SCHEMA)
+
+
+@contextmanager
+def _conn():
+    conn = sqlite3.connect(settings.db_path)
+    try:
+        yield conn
+        conn.commit()
+    finally:
+        conn.close()
+
+
+def save_batch(day: date, article_title: str, article_url: str, jokes: list[str]) -> None:
+    import json
+    from datetime import datetime, timezone
+
+    with _conn() as conn:
+        conn.execute(
+            "INSERT OR REPLACE INTO jokes (day, article_title, article_url, jokes, generated_at) "
+            "VALUES (?, ?, ?, ?, ?)",
+            (
+                day.isoformat(),
+                article_title,
+                article_url,
+                json.dumps(jokes, ensure_ascii=False),
+                datetime.now(timezone.utc).isoformat(timespec="seconds"),
+            ),
+        )
+
+
+def get_day(day: date) -> dict | None:
+    import json
+
+    with _conn() as conn:
+        row = conn.execute(
+            "SELECT day, article_title, article_url, jokes, generated_at FROM jokes WHERE day = ?",
+            (day.isoformat(),),
+        ).fetchone()
+    if row is None:
+        return None
+    return {
+        "day": row[0],
+        "article_title": row[1],
+        "article_url": row[2],
+        "jokes": json.loads(row[3]),
+        "generated_at": row[4],
+    }
+
+
+def get_latest() -> dict | None:
+    import json
+
+    with _conn() as conn:
+        row = conn.execute(
+            "SELECT day, article_title, article_url, jokes, generated_at "
+            "FROM jokes ORDER BY day DESC LIMIT 1"
+        ).fetchone()
+    if row is None:
+        return None
+    return {
+        "day": row[0],
+        "article_title": row[1],
+        "article_url": row[2],
+        "jokes": json.loads(row[3]),
+        "generated_at": row[4],
+    }