This is also shown on the accordion at the top of this section. Here are some Compose files used in theĪnother good reference is the Compose file for the voting app sample used in the Which uses version 3 Compose stack files to implement multi-container apps, This maps to the : : indent structure of theĪ good place to start is the Getting Started tutorial Networks, and so on, are listed with the options that support them as Top-level keys that defineĪ section in the configuration file such as build, deploy, depends_on, To reflect the structure of the Compose file itself. The topics on this reference page are organized alphabetically by top-level key '/var/run/docker.sock:/var/run/docker.sock' Image: dockersamples/examplevotingapp_worker Image: dockersamples/examplevotingapp_result:before Image: dockersamples/examplevotingapp_vote:before For example, Compose file formatģ.0 was first introduced in Compose release Itself is on a release schedule, as shown in Composeĭo not necessairly increment with each release. In addition to Compose file format versions shown in the table, the Compose

This table shows which Compose file versions support specific Docker releases.

How to upgrade, see About versions and upgrading. For full details on what each version includes and There are several versions of the Compose file format – 1, 2, 2.x, and 3.x. These topics describe version 3 of the Compose file format. Compose file version 3 reference Estimated reading time:

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