Container Apps Log Stream

Document status	35 - Reviewed

The Azure Container Apps Log Stream provides real-time access to container logs directly from the Azure Portal. This is invaluable for debugging issues, monitoring application behavior, and viewing logs as they are written.

Accessing Log Stream

Via Azure Portal

Navigate to Azure Portal
In the search field, type the container app name (e.g., ec-<environment>-<customer>-ecc-ca)
Click on the container app
In the left menu, expand Monitoring
Click Log stream

Selecting the Container

The Log Stream view allows you to select which container to monitor:

Container	Description
app container	Your application container (e.g., `ecc`, `dmc`, `nts`, `client`) - shows application logs
daprd	The Dapr sidecar container - shows Dapr runtime logs, service invocations, and mTLS handshakes

To switch containers:

Use the Container dropdown at the top of the Log Stream view
Select the desired container

Common Use Cases

Debugging Application Issues

Select the app container to view:

Application startup logs
HTTP request/response logs
Exception stack traces
Custom log messages from the code

Debugging Dapr Issues

Select the daprd container to view:

Dapr sidecar initialization
Service-to-service invocation logs
Component loading (pub/sub, state stores)

Tips for Effective Log Streaming

Tip	Description
Use log levels	Set `logLevel: debug` in Dapr configuration for verbose output during troubleshooting
Filter by replica	If running multiple replicas, select a specific replica to focus on
Timestamps	Logs include timestamps - useful for correlating events across services
Reconnection	The stream may disconnect after inactivity; refresh the page to reconnect

Alternative: Azure CLI

You can also stream logs using the Azure CLI:

# Stream application container logs
az containerapp logs show \
  --name ec-<environment>-<customer>-ecc-ca \
  --resource-group ec-<environment>-<customer>-apps-rg \
  --type console \
  --follow

# Stream system (Dapr sidecar) logs
az containerapp logs show \
  --name ec-<environment>-<customer>-ecc-ca \
  --resource-group ec-<environment>-<customer>-apps-rg \
  --type system \
  --follow

Parameter	Description
`--type console`	Application container logs
`--type system`	Dapr sidecar and system logs
`--follow`	Continuously stream new logs

Accessing Log Stream

Via Azure Portal​

Selecting the Container​