added dedup tools to settings. first pass of mass tag editting to gallery view.

config.py

@@ -2,29 +2,17 @@ import os
 
 class Config:
     SECRET_KEY = os.environ.get('SECRET_KEY', 'you-will-never-guess')
-    DB_TYPE = os.environ.get('DB_TYPE', 'sqlite').lower()  # 'sqlite' or 'postgresql'
 
-    if DB_TYPE == 'postgresql':
-        DB_USER = os.environ.get('DB_USER', 'imagerepo')
-        DB_PASS = os.environ.get('DB_PASS', 'postgres')
-        DB_HOST = os.environ.get('DB_HOST', 'postgres')
-        DB_PORT = os.environ.get('DB_PORT', '5432')
-        DB_NAME = os.environ.get('DB_NAME', 'imagerepo')
+    # PostgreSQL configuration
+    DB_USER = os.environ.get('DB_USER', 'imagerepo')
+    DB_PASS = os.environ.get('DB_PASS', 'postgres')
+    DB_HOST = os.environ.get('DB_HOST', 'postgres')
+    DB_PORT = os.environ.get('DB_PORT', '5432')
+    DB_NAME = os.environ.get('DB_NAME', 'imagerepo')
 
-        SQLALCHEMY_DATABASE_URI = (
-            f'postgresql://{DB_USER}:{DB_PASS}@{DB_HOST}:{DB_PORT}/{DB_NAME}'
-        )
-
-    elif DB_TYPE == 'sqlite':
-        DB_DIR = '/db'
-        os.makedirs(DB_DIR, exist_ok=True)  # only works if /db is writable
-        DB_NAME = os.environ.get('DB_NAME', 'app.db')
-        SQLALCHEMY_DATABASE_URI = f'sqlite:///{os.path.join(DB_DIR, DB_NAME)}'
-
-
-
-    else:
-        raise ValueError(f"Unsupported DB_TYPE '{DB_TYPE}'. Use 'sqlite' or 'postgresql'.")
+    SQLALCHEMY_DATABASE_URI = (
+        f'postgresql://{DB_USER}:{DB_PASS}@{DB_HOST}:{DB_PORT}/{DB_NAME}'
+    )
 
     SQLALCHEMY_TRACK_MODIFICATIONS = False