database fix

Dockerfile

@@ -1,6 +1,6 @@
 # STAGE 1: BUILDER
 # This stage installs build tools and Python dependencies
-FROM python:3.13.7-slim AS builder
+FROM python:3.12.11-slim AS builder
 
 ENV PYTHONUNBUFFERED=1 \
     DEBIAN_FRONTEND=noninteractive
@@ -23,7 +23,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 # STAGE 2: FINAL
 # This is the lean, final image for running the application
-FROM python:3.13.7-slim
+FROM python:3.12.11-slim
 
 ENV PYTHONUNBUFFERED=1 \
     DEBIAN_FRONTEND=noninteractive
@@ -49,6 +49,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     jpegoptim \
     libsox-fmt-mp3 \
     lame \
+    libportaudio2 \
+    libportaudiocpp0 \
+    portaudio19-dev \
     # Runtime libraries for Python packages
     libxml2 \
     # Process manager
@@ -59,7 +62,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 WORKDIR /app
 
 # Copy installed Python packages from the builder stage
-COPY --from=builder /usr/local/lib/python3.13/site-packages /usr/local/lib/python3.13/site-packages
+COPY --from=builder /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
 COPY --from=builder /usr/local/bin /usr/local/bin
 
 # Copy supervisor config and application code

main.py

@@ -22,7 +22,7 @@ import sys
 import re
 import importlib
 import collections.abc
-
+import time
 import ocrmypdf
 import pypdf
 import pytesseract
@@ -40,6 +40,7 @@ from sqlalchemy import (Column, DateTime, Integer, String, Text,
                         create_engine, delete, event)
 from sqlalchemy.orm import Session, declarative_base, sessionmaker
 from sqlalchemy.pool import NullPool
+from sqlalchemy.exc import OperationalError
 from string import Formatter
 from werkzeug.utils import secure_filename
 from typing import List as TypingList
@@ -1250,7 +1251,37 @@ async def download_kokoro_models_if_missing():
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     logger.info("Application starting up...")
-    Base.metadata.create_all(bind=engine)
+    # Base.metadata.create_all(bind=engine)
+
+    create_attempts = 3
+    for attempt in range(1, create_attempts + 1):
+        try:
+            # use engine.begin() to ensure the DDL runs in a connection/transaction context
+            with engine.begin() as conn:
+                Base.metadata.create_all(bind=conn)
+            logger.info("Database tables ensured (create_all succeeded).")
+            break
+        except OperationalError as oe:
+            # Some SQLite drivers raise an OperationalError when two processes try to create the same table at once.
+            msg = str(oe).lower()
+            # If we see "already exists" we treat this as a race and retry briefly.
+            if "already exists" in msg or ("table" in msg and "already exists" in msg):
+                logger.warning(
+                    "Database table creation race detected (attempt %d/%d): %s. Retrying...",
+                    attempt,
+                    create_attempts,
+                    oe,
+                )
+                time.sleep(0.5)
+                continue
+            else:
+                logger.exception("Database initialization failed with OperationalError.")
+                raise
+        except Exception:
+            logger.exception("Unexpected error during DB initialization.")
+            raise
+
+
     load_app_config()
 
     # Download required models on startup