Remove unnecessary files

q1-deploy-monitor/app.py

@@ -1,40 +1,48 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, Request
 import time
 
 app = FastAPI()
 
 request_count = 0
+last_response_time_ms = 0.0
+
+
+@app.middleware("http")
+async def track_requests(request: Request, call_next):
+    """
+    Measures the REAL processing time of every request using a middleware
+    that wraps the actual handler, instead of measuring time inside the
+    handler itself (which always returns ~0ms).
+    We skip counting calls to /stats itself so the dashboard polling
+    doesn't inflate the request counter.
+    """
+    global request_count, last_response_time_ms
+
+    start = time.time()
+    response = await call_next(request)
+    duration_ms = round((time.time() - start) * 1000, 2)
+
+    if request.url.path != "/stats":
+        request_count += 1
+        last_response_time_ms = duration_ms
+
+    return response
 
 
 @app.get("/")
 def home():
-    global request_count
-    request_count += 1
-
-    return {
-        "message": "Application is running"
-    }
+    return {"message": "Application is running"}
 
 
 @app.get("/health")
 def health():
-    return {
-        "status": "UP"
-    }
+    return {"status": "UP"}
 
 
 @app.get("/stats")
 def stats():
-    global request_count
-
-    start = time.time()
-
-    request_count += 1
-
-    response_time = round((time.time() - start) * 1000, 2)
-
     return {
         "status": "UP",
         "requests": request_count,
-        "response_time": response_time
+        "response_time": last_response_time_ms
     }

q1-deploy-monitor/dashboard.html

@@ -35,6 +35,10 @@
             font-weight:bold;
             color:green;
         }
+
+        span.down{
+            color:red;
+        }
     </style>
 
 </head>
@@ -64,25 +68,39 @@
 
 <script>
 
+// IMPORTANT: change this after deploying to ghaymah.systems
+// e.g. "https://your-app-name.ghaymah.systems"
+const API_URL = "http://127.0.0.1:8000";
+
 async function updateDashboard() {
 
     try {
 
-        const response = await fetch("http://127.0.0.1:8000/stats");
+        // Measure real round-trip latency from the browser's point of view
+        const clientStart = performance.now();
 
+        const response = await fetch(`${API_URL}/stats`);
         const data = await response.json();
 
-        document.getElementById("status").textContent = data.status;
+        const clientLatency = Math.round(performance.now() - clientStart);
+
+        const statusEl = document.getElementById("status");
+        statusEl.textContent = data.status;
+        statusEl.classList.toggle("down", data.status !== "UP");
 
         document.getElementById("requests").textContent = data.requests;
 
-        document.getElementById("response").textContent = data.response_time;
+        // Show the server-measured latency; fall back to client-measured
+        // round-trip time if the server didn't report anything useful.
+        document.getElementById("response").textContent =
+            data.response_time > 0 ? data.response_time : clientLatency;
 
     }
-
     catch(error){
 
-        document.getElementById("status").textContent = "DOWN";
+        const statusEl = document.getElementById("status");
+        statusEl.textContent = "DOWN";
+        statusEl.classList.add("down");
 
     }
 

q3-cicd/workflow.yml

@@ -27,14 +27,33 @@ jobs:
         run: |
           docker push registry.ghaymah.systems/my-api:${{ github.sha }}
 
-  deploy-production:
+  deploy-staging:
     needs: build
     runs-on: ubuntu-latest
 
+    environment:
+      name: staging
+
+    steps:
+      - name: Deploy to Staging
+        run: |
+          echo "Deploying image ${{ github.sha }} to staging..."
+          # ghaymah deploy my-api-staging --image registry.ghaymah.systems/my-api:${{ github.sha }}
+
+  deploy-production:
+    needs: deploy-staging
+    runs-on: ubuntu-latest
+
+    # This "environment: production" line by itself does NOT block the job.
+    # The manual approval only happens if you also configure, on GitHub:
+    # Settings -> Environments -> production -> Required reviewers
+    # Add yourself (or a teammate) as a required reviewer there.
+    # Without that step, this environment tag is just a label.
     environment:
       name: production
 
     steps:
       - name: Deploy to Production
         run: |
-          echo "Deploying application to production..."
+          echo "Deploying image ${{ github.sha }} to production..."
+          # ghaymah deploy my-api --image registry.ghaymah.systems/my-api:${{ github.sha }}

q5-mithal-monitor/Dockerfile

@@ -0,0 +1,13 @@
+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+RUN chmod +x start.sh
+
+EXPOSE 8080
+
+CMD ["./start.sh"]

q5-mithal-monitor/Start.sh

@@ -0,0 +1,11 @@
+#!/bin/bash\
+# Runs the background monitoring loop (monitor.py) and serves the
+# dashboard + monitor_data.json over HTTP at the same time.
+
+set -e
+
+# Start the monitor in the background; it updates monitor_data.json every 60s
+python monitor.py &
+
+# Serve the current directory (dashboard.html + monitor_data.json)
+python -m http.server 8080

q5-mithal-monitor/requirements.txt

@@ -0,0 +1 @@
+requests