Refactor Dockerfile and Flask app config

- Dockerfile: Remove redundant environment variable declaration
- Flask app: Remove code to override server name and environment variable assignment
- Flask app config: Update upload folder path, server name, and preferred URL scheme

Dockerfile

@@ -29,7 +29,6 @@ RUN npm run build
 RUN cp /usr/share/zoneinfo/UTC /etc/localtime && echo UTC > /etc/timezone
 
 # Set Environment Variables
-ENV APP_URL 127.0.0.1:5000
 ENV TZ Etc/UTC
 
 # Start Nginx in Background and Gunicon in Foreground

backend/app/__init__.py

@@ -36,12 +36,6 @@
 #     environment="development" if app.debug else "production"
 # )
 
-# Override Flask server name if it contains http or https
-if getenv("APP_URL") and getenv("APP_URL", "").startswith("http://") or getenv("APP_URL", "").startswith("https://"):
-    host = getenv("APP_URL").replace("http://", "").replace("https://", "")
-    app.config["SERVER_NAME"] = host
-    environ["APP_URL"] = host
-
 # Run database migrations scripts
 if not app.debug or getenv("MIGRATE"):
     migrate()

backend/app/config.py

@@ -14,11 +14,10 @@ def create_config(app: Flask):
     config["SESSION_TYPE"] = "filesystem"
     config["SESSION_FILE_DIR"] = path.join(base_dir, "../", "database", "sessions")
     config["PERMANENT_SESSION_LIFETIME"] = timedelta(hours=5)
-    config["UPLOAD_FOLDER"] = path.join(base_dir, "database", "uploads")
+    config["UPLOAD_FOLDER"] = path.join(base_dir, "../", "database", "uploads")
     config["SWAGGER_UI_DOC_EXPANSION"] = "list"
-    config["SERVER_NAME"] = getenv("APP_URL")
+    config["SERVER_NAME"] = "127.0.0.1:5000"
     config["APPLICATION_ROOT"] = "/"
-    config["PREFERRED_URL_SCHEME"] = "https" if getenv("HTTPS", "false") == "true" else "http"
     config["JWT_SECRET_KEY"] = secret_key()
     config["JWT_BLACKLIST_ENABLED"] = True
     config["JWT_TOKEN_LOCATION"] = ["headers", "json", "query_string"]