1# Container Apps Health Probes
2 
3Always configure health probes for production workloads.
4 
5## Liveness Probe
6 
7Detects if container is alive. Failure triggers restart.
8 
9```bicep
10probes: [
11  {
12    type: 'liveness'
13    httpGet: {
14      path: '/health'
15      port: 8080
16    }
17    initialDelaySeconds: 10
18    periodSeconds: 30
19    failureThreshold: 3
20  }
21]
22```
23 
24## Readiness Probe
25 
26Detects if container is ready to receive traffic.
27 
28```bicep
29probes: [
30  {
31    type: 'readiness'
32    httpGet: {
33      path: '/ready'
34      port: 8080
35    }
36    initialDelaySeconds: 5
37    periodSeconds: 10
38    failureThreshold: 3
39  }
40]
41```
42 
43## Startup Probe
44 
45For slow-starting containers. Delays other probes until startup succeeds.
46 
47```bicep
48probes: [
49  {
50    type: 'startup'
51    httpGet: {
52      path: '/health'
53      port: 8080
54    }
55    initialDelaySeconds: 0
56    periodSeconds: 10
57    failureThreshold: 30  // 30 * 10s = 5 min max startup
58  }
59]
60```
61 
62## Recommendations
63 
64| Probe | Path | Initial Delay | Period |
65|-------|------|---------------|--------|
66| Liveness | `/health` | 10s | 30s |
67| Readiness | `/ready` | 5s | 10s |
68| Startup | `/health` | 0s | 10s |
69