This specifies that a dependency is expected to run to successful completion before starting a dependent service. This specifies that a dependency is expected to be “healthy”, which is defined with healthcheck, before starting a dependent service. The solution for detecting the ready state of a service is to use the condition attribute with one of the following options: This can cause issues if, for example, you have a relational database system that needs to start its own services before being able to handle incoming connections. This doesn't change any settings, but your Mac forgets any apps and windows that were open the last time you logged. Start up in safe mode, then restart normally. This doesn't change any settings, but the app forgets any windows that were open the last time you quit the app. On startup, Compose does not wait until a container is “ready”, only until it’s running. Press and hold the Shift key while opening the app. If both services are started with docker compose up, there is a chance this will fail since the application service might start before the database service and won’t find a database able to handle its SQL statements. Compose always starts and stopsĬontainers in dependency order, where dependencies are determined byĭepends_on, links, volumes_from, and network_mode: "service.".Ī good example of when you might use this is an application which needs to access a database. You can control the order of service startup and shutdown with theĭepends_on option. It’s also no longer available in new releases of Docker Desktop.Ĭompose V2 is included with all currently supported versions of Docker Desktop.įor more information, see Migrate to Compose V2.ĭocker’s documentation refers to and describes Compose V2 functionality. Control startup and shutdown order in Composeįrom July 2023 Compose V1 stopped receiving updates.
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