fix: add alembic dir to image + run migrations in entrypoint

entrypoint.sh

@@ -2,7 +2,6 @@
 set -e
 
 # Extract host and port from DATABASE_URL
-# Format: postgresql+asyncpg://user:pass@host:port/dbname
 DB_HOST=$(echo "$DATABASE_URL" | sed -E 's|.*@([^/:]+).*|\1|')
 DB_PORT=$(echo "$DATABASE_URL" | sed -E 's|.*@[^/:]+:([0-9]+)/.*|\1|')
 
@@ -14,7 +13,11 @@ echo "Waiting for postgres at $DB_HOST:$DB_PORT ..."
 
 max_retries=30
 counter=0
-until pg_isready -h "$DB_HOST" -p "$DB_PORT" -q 2>/dev/null; do
+until (
+    pg_isready -h "$DB_HOST" -p "$DB_PORT" -q 2>/dev/null
+) || (
+    (echo > /dev/tcp/"$DB_HOST"/"$DB_PORT") 2>/dev/null
+); do
     counter=$((counter + 1))
     if [ $counter -ge $max_retries ]; then
         echo "ERROR: postgres at $DB_HOST:$DB_PORT not ready after ${max_retries}s"
@@ -26,4 +29,11 @@ done
 
 echo "postgres is ready!"
 
+# Run alembic migrations
+if [ -f /app/alembic/env.py ]; then
+    echo "Running database migrations ..."
+    python -m alembic upgrade head
+    echo "Migrations complete!"
+fi
+
 exec "$@"