CmdID

CmdID / az / az webapp / az webapp log / az webapp log startup

az webapp log startup show

Show the content of a container startup log. Azure CLI reference

By default, shows the most recent startup log (preferring a failure log when one exists for the latest date). Use --filename to view a specific log file, or --instance to scope the latest-log lookup to a specific worker. --filename and --instance are mutually exclusive.

3 examples 1 option Its page in the Azure CLI reference

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Examples

from the Azure CLI, each command read by CmdID

Show the latest startup log (prefers failures)

az webapp log startup show --name MyWebApp --resource-group MyResourceGroupIdentify
--namename of the web app.
--resource-groupName of resource group.

Show a specific startup log file

az webapp log startup show --name MyWebApp --resource-group MyResourceGroup --filename 2026_04_13_lw0sdlwk000002_failure.logIdentify
--namename of the web app.
--resource-groupName of resource group.
--filenameName of a specific startup log file to display.

Show the latest startup log for a specific worker instance

az webapp log startup show --name MyWebApp --resource-group MyResourceGroup --instance lw0sdlwk000002Identify
--namename of the web app.
--resource-groupName of resource group.
--instanceFilter by worker instance name.

Options

1 in the Azure CLI reference
--filename, -fName of a specific startup log file to display.