Hands-On Server-Side Web Development with Swift

Getting live log output

You can get the live log output using the vapor cloud logs toolbox command. This command, similar to the tail command in Linux, lists the latest events in a log file. It has the following syntax:

$ vapor cloud logs --app=[name] --env=[environment] --since=[time]

• The [name] is the application name in your slug, such as firstvapor-angus
• The [environment] is the hosting environment for your development stage, such as production or beta
• The [time] is the time you want to track back from the last logging event time, such as 2h for 2 hours, 5m for 5 minutes, or 30s for 30 seconds

Consider the following as an example:

$ vapor cloud logs --app=firstvapor-angus --env=beta --since=2d

The command in the preceding code ...