refactor: use tilt to patch debugpy port into k8s/local

Author: rochecompaan

template/Tiltfile

@@ -9,6 +9,11 @@ print(
 
 load("ext://syncback", "syncback")
 
+# Check for --debugpy argument
+config.define_bool("debugpy", False, "Enable debugpy debugging support")
+cfg = config.parse()
+enable_debugpy = cfg.get("debugpy", False)
+
 docker_build(
     "backend",
     context="backend",
@@ -29,9 +34,37 @@ docker_build(
 )
 {% endif %}
 
-k8s_yaml(
-    kustomize("./k8s/local/")
-)
+# Load base kubernetes configuration
+k8s_yaml_raw = kustomize("./k8s/local/")
+
+# Apply debugpy patches if enabled
+if enable_debugpy:
+    objects = decode_yaml_stream(str(k8s_yaml_raw))
+    for o in objects:
+        # Patch backend Service to add debug port
+        if o['kind'] == 'Service' and o['metadata']['name'] == 'backend':
+            if 'ports' not in o['spec']:
+                o['spec']['ports'] = []
+            o['spec']['ports'].append({
+                'port': 5678,
+                'targetPort': 5678,
+                'name': 'debug'
+            })
+        
+        # Patch backend Deployment to add debugpy command and port
+        if o['kind'] == 'Deployment' and o['metadata']['name'] == 'backend':
+            container = o['spec']['template']['spec']['containers'][0]
+            container['command'] = ["python", "-m", "debugpy", "--listen", "0.0.0.0:5678", "manage.py", "runserver", "0.0.0.0:8000"]
+            if 'ports' not in container:
+                container['ports'] = []
+            container['ports'].append({
+                'name': 'debug',
+                'containerPort': 5678
+            })
+    
+    k8s_yaml(encode_yaml_stream(objects))
+else:
+    k8s_yaml(k8s_yaml_raw)
 
 syncback(
     "backend-sync",
@@ -55,7 +88,8 @@ syncback(
 {% if copier__create_nextjs_frontend %}
 k8s_resource(workload='frontend', port_forwards=3000)
 {% endif %}
-k8s_resource(workload='backend', port_forwards=5678)
+if enable_debugpy:
+    k8s_resource(workload='backend', port_forwards=5678)
 k8s_resource(workload='backend', port_forwards=8000)
 k8s_resource(workload='mailhog', port_forwards=8025)
 k8s_resource(workload='postgres', port_forwards=5432)

template/backend/{{copier__project_slug}}/utils/debugger.py

@@ -21,6 +21,5 @@ def pycharm_debugger():
 def vscode_debugger():
     logger.info("Debugpy connecting...")
     import debugpy
-    host_ip = os.getenv("DOCKER_GATEWAY_IP")
     debug_port = int(os.getenv("DEBUGGER_PORT", default=5678))
     debugpy.listen(("0.0.0.0", debug_port))

template/k8s/base/django.yaml

@@ -12,9 +12,6 @@ spec:
     - port: 8000
       targetPort: http-server
       name: wsgi
-    - port: 5678
-      targetPort: 5678
-      name: debug
 ---
 apiVersion: apps/v1
 kind: Deployment
@@ -37,12 +34,9 @@ spec:
         - name: backend
           image: backend:latest
           command: ["python", "manage.py", "runserver", "0.0.0.0:8000"]
-          # command: ["python", "-m", "debugpy", "--listen", "0.0.0.0:5678", "manage.py", "runserver", "0.0.0.0:8000"]
           ports:
             - name: http-server
               containerPort: 8000
-            - name: debug
-              containerPort: 5678
           envFrom:
             - configMapRef:
                 name: app-config