additions and corrections for

deployment instructions

server/alembic/env.py

@@ -1,5 +1,10 @@
-
 # isort: skip_file
+from alembic import context
+from sqlalchemy import pool
+from sqlalchemy import engine_from_config
+from logging.config import fileConfig
+from dotenv import load_dotenv
+from models.models import Base
 import os
 import sys
 sys.path.insert(0, '/workspace')
@@ -8,12 +13,6 @@ print("models dir exists:", os.path.isdir('/workspace/models'))
 print("models/models.py exists:", os.path.isfile('/workspace/models/models.py'))
 print("models/__init__.py exists:",
       os.path.isfile('/workspace/models/__init__.py'))
-from models.models import Base
-from dotenv import load_dotenv
-from logging.config import fileConfig
-from sqlalchemy import engine_from_config
-from sqlalchemy import pool
-from alembic import context
 
 print("sys.path:", sys.path)
 print("models dir exists:", os.path.isdir('/workspace/models'))
@@ -27,12 +26,17 @@ env_path = os.path.abspath(os.path.join(
 print(f"Loading environment variables from: {env_path}")
 load_dotenv(env_path)
 
-# Datenbank-Zugangsdaten aus .env
-DB_USER = os.getenv("DB_USER")
-DB_PASSWORD = os.getenv("DB_PASSWORD")
-DB_HOST = os.getenv("DB_HOST", "localhost")
-DB_PORT = os.getenv("DB_PORT", "3306")
-DB_NAME = os.getenv("DB_NAME")
+DB_CONN = os.getenv("DB_CONN")
+if DB_CONN:
+    DATABASE_URL = DB_CONN
+else:
+    # Datenbank-Zugangsdaten aus .env
+    DB_USER = os.getenv("DB_USER")
+    DB_PASSWORD = os.getenv("DB_PASSWORD")
+    DB_HOST = os.getenv("DB_HOST", "db")  # Default jetzt 'db'
+    DB_PORT = os.getenv("DB_PORT", "3306")
+    DB_NAME = os.getenv("DB_NAME")
+    DATABASE_URL = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
@@ -43,10 +47,6 @@ config = context.config
 if config.config_file_name is not None:
     fileConfig(config.config_file_name)
 
-DATABASE_URL = (
-    f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
-)
-
 print(f"Using DATABASE_URL: {DATABASE_URL}")
 
 config.set_main_option("sqlalchemy.url", DATABASE_URL)