feat: update database path configuration and improve entrypoint script for SQLite handling

entrypoint.sh

@@ -3,12 +3,13 @@ set -eu
 
 APP_DIR="$1"
 PORT="$2"
+DB_PATH="${DJANGO_DB_PATH:-$APP_DIR/db/db.sqlite3}"
 
 cd "$APP_DIR"
 
-mkdir -p logs static
+mkdir -p logs static "$(dirname "$DB_PATH")"
 
-if [ ! -f "$APP_DIR/db.sqlite3" ] && [ "${LOAD_FIXTURE_ON_EMPTY_DB:-true}" = "true" ]; then
+if [ ! -f "$DB_PATH" ] && [ "${LOAD_FIXTURE_ON_EMPTY_DB:-true}" = "true" ]; then
   TMP_DUMP="$(mktemp)"
   python /app/scripts/rewrite_dumps.py dumps/example.json "$TMP_DUMP"
   python manage.py migrate
@@ -22,7 +23,7 @@ fi
 # Collect them into STATIC_ROOT so the explicit /static/ URL can serve them.
 python manage.py collectstatic --noinput
 
-if grep -aEq '127\.0\.0\.1|provider:8002' "$APP_DIR/db.sqlite3"; then
+if grep -aEq '127\.0\.0\.1|provider:8002' "$DB_PATH"; then
   echo "Refusing to start: bootstrap data still contains internal/local URLs" >&2
   exit 1
 fi