use sqlite in mages instead of working around the errors

.gitignore

@@ -13,3 +13,4 @@ coverage.xml
 dist
 htmlcov
 junit.xml
+api_database.db

geomagio/api/db/database.py

@@ -14,11 +14,7 @@ class Tables(str, Enum):
 
 
 database_url = os.getenv("DATABASE_URL", "sqlite:///./api_database.db")
-data_host = os.getenv("DATA_HOST")
+if database_url == "":
+    database_url = "sqlite:///./api_database.db"
 
-try:
-    engine = create_engine(database_url)
-except Exception as e:
-    print("error creating engine:", e)
-    if "mage" in data_host:
-        pass
+engine = create_engine(database_url)