Dynamic Hostname fix

Patch for dynamic host names

app.py

@@ -55,6 +55,8 @@ app.config['API_KEY'] = os.environ.get('API_KEY', 'your-fallback-api-key-here')
 app.config['VALIDATE_IMPOSED_PROFILES'] = True
 app.config['DISPLAY_PROFILE_RELATIONSHIPS'] = True
 app.config['UPLOAD_FOLDER'] = '/app/static/uploads'  # For GoFSH output
+app.config['APP_BASE_URL'] = os.environ.get('APP_BASE_URL', 'http://localhost:5000')
+app.config['HAPI_FHIR_URL'] = os.environ.get('HAPI_FHIR_URL', 'http://localhost:8080/fhir')
 CONFIG_PATH = '/usr/local/tomcat/conf/application.yaml'
 
 # Register blueprints immediately after app setup
@@ -1317,10 +1319,10 @@ def proxy_hapi(subpath):
              logger.info(f"Proxy target identified from header: {final_base_url}")
         except ValueError as e:
              logger.warning(f"Invalid URL in X-Target-FHIR-Server header: '{target_server_header}'. Falling back. Error: {e}")
-             final_base_url = "http://localhost:8080/fhir"
+             final_base_url = current_app.config['HAPI_FHIR_URL'].rstrip('/')
              logger.debug(f"Falling back to default local HAPI due to invalid header: {final_base_url}")
     else:
-        final_base_url = "http://localhost:8080/fhir"
+        final_base_url = current_app.config['HAPI_FHIR_URL'].rstrip('/')
         logger.debug(f"No target header found, proxying to default local HAPI: {final_base_url}")
 
     # Construct the final URL for the target server request
@@ -1424,7 +1426,7 @@ def load_ig_to_hapi():
                     resource_id = resource.get('id')
                     if resource_type and resource_id:
                         response = requests.put(
-                            f"http://localhost:8080/fhir/{resource_type}/{resource_id}",
+                            f"{current_app.config['HAPI_FHIR_URL'].rstrip('/')}/{resource_type}/{resource_id}",
                             json=resource,
                             headers={'Content-Type': 'application/fhir+json'}
                         )

docker-compose.yml

@@ -16,5 +16,7 @@ services:
       - FLASK_APP=app.py
       - FLASK_ENV=development
       - NODE_PATH=/usr/lib/node_modules
-      - APP_MODE=lite 
+      - APP_MODE=lite
+      - APP_BASE_URL=https://yourdomain.com
+      - HAPI_FHIR_URL=https://hapi.yourdomain.com/fhir 
     command: supervisord -c /etc/supervisord.conf

services.py

@@ -1616,7 +1616,7 @@ def validate_resource_against_profile(package_name, version, resource, include_d
     # Attempt HAPI validation if a profile is specified
     if result['profile']:
         try:
-            hapi_url = f"http://localhost:8080/fhir/{resource['resourceType']}/$validate?profile={result['profile']}"
+            hapi_url = f"{current_app.config['HAPI_FHIR_URL'].rstrip('/')}/{resource['resourceType']}/$validate?profile={result['profile']}"
             response = requests.post(
                 hapi_url,
                 json=resource,
@@ -3766,7 +3766,7 @@ def retrieve_bundles(fhir_server_url, resources, output_zip, validate_references
 
 
         # --- Determine Base URL and Headers for Proxy ---
-        base_proxy_url = 'http://localhost:5000/fhir' # Always target the proxy endpoint
+        base_proxy_url = f"{current_app.config['APP_BASE_URL'].rstrip('/')}/fhir"
         headers = {'Accept': 'application/fhir+json, application/fhir+xml;q=0.9, */*;q=0.8'}
         is_custom_url = fhir_server_url != '/fhir' and fhir_server_url is not None and fhir_server_url.startswith('http')
         if is_custom_url: