add tester ui, and restructure folders

ctrl/k8s/base/lambda.yaml

@@ -16,8 +16,14 @@ spec:
       containers:
         - name: lambda
           image: eth-lambda
-          command: ["sleep", "infinity"]
+          # The container runs the FastAPI runner (see runner.py + Dockerfile).
+          # The CMD comes from the Dockerfile (uvicorn). Container also stays
+          # exec-able for `bash ctrl/seed.sh` / `bash ctrl/invoke.sh` which
+          # spawn separate python processes alongside uvicorn.
           workingDir: /app
+          ports:
+            - name: http
+              containerPort: 8000
           envFrom:
             - configMapRef:
                 name: eth-config
@@ -25,14 +31,33 @@ spec:
             - name: documents
               mountPath: /mnt/documents
               readOnly: true
+          readinessProbe:
+            httpGet:
+              path: /health
+              port: 8000
+            initialDelaySeconds: 3
+            periodSeconds: 5
           resources:
             requests:
               memory: 128Mi
               cpu: 100m
             limits:
-              memory: 512Mi
+              memory: 1Gi
       volumes:
         - name: documents
           hostPath:
             path: /mnt/documents
             type: Directory
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: lambda
+  namespace: eth
+spec:
+  selector:
+    app: lambda
+  ports:
+    - name: http
+      port: 8000
+      targetPort: 8000