fix docker injection

Dockerfile

@@ -52,6 +52,12 @@ ENV DEBUG=False
 EXPOSE 7860
 
 # ----------------------------
-# Start FastAPI
+# Make startup script executable and set it as entrypoint
 # ----------------------------
-CMD ["python", "main.py"]
+COPY backend/start.sh /app/start.sh
+RUN chmod +x /app/start.sh
+
+# ----------------------------
+# Start FastAPI (runs migrations first)
+# ----------------------------
+CMD ["/app/start.sh"]

backend/Dockerfile

@@ -25,8 +25,11 @@ RUN pip install -r requirements.txt
 # Copy the rest of the application code
 COPY . .
 
+# Make startup script executable
+RUN chmod +x start.sh
+
 # Expose the port the app runs on
 EXPOSE 8000
 
-# Run the application
-CMD ["python", "main.py"]
+# Run the application (with migrations first)
+CMD ["./start.sh"]

backend/alembic.ini

@@ -86,6 +86,7 @@ path_separator = os
 # database URL.  This is consumed by the user-maintained env.py script only.
 # other means of configuring database URLs may be customized within the env.py
 # file.
+# NOTE: This is overridden by the DATABASE_URL environment variable in env.py
 sqlalchemy.url = sqlite:///assessment_platform.db
 
 

backend/alembic/env.py

@@ -1,4 +1,5 @@
 from logging.config import fileConfig
+import os
 
 from sqlalchemy import engine_from_config
 from sqlalchemy import pool
@@ -7,7 +8,6 @@ from alembic import context
 
 # Import our models
 import sys
-import os
 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 from models import Base  # Import the Base from our models __init__ file
@@ -16,6 +16,11 @@ from models import Base  # Import the Base from our models __init__ file
 # access to the values within the .ini file in use.
 config = context.config
 
+# Override the sqlalchemy.url with the DATABASE_URL environment variable if available
+database_url = os.getenv("DATABASE_URL")
+if database_url:
+    config.set_main_option("sqlalchemy.url", database_url)
+
 # Interpret the config file for Python logging.
 # This line sets up loggers basically.
 if config.config_file_name is not None:

backend/start.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Run database migrations
+echo "Running database migrations..."
+alembic upgrade head
+
+# Start the application
+echo "Starting the application..."
+exec python main.py