From 995db0819326fff00307788bddfd8949a3fe6451 Mon Sep 17 00:00:00 2001 From: Joffrey F Date: Fri, 20 Oct 2017 16:42:02 -0700 Subject: [PATCH] Add documentation for scale parameter (#5065) Signed-off-by: Joffrey F --- compose/compose-file/compose-file-v2.md | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/compose/compose-file/compose-file-v2.md b/compose/compose-file/compose-file-v2.md index 50723cce8d..05a86bace3 100644 --- a/compose/compose-file/compose-file-v2.md +++ b/compose/compose-file/compose-file-v2.md @@ -932,6 +932,20 @@ port (a random host port will be chosen). - "127.0.0.1:5000-5010:5000-5010" - "6060:6060/udp" +### scale + +> [Added in version 2.2 file format](compose-versioning.md#version-22) + +Specify the default number of containers to deploy for this service. Whenever +you run `docker-compose up`, Compose will create or remove containers to match +the specified number. This value can be overridden using the +[`--scale`](/compose/reference/up.md) flag. + + web: + image: busybox:latest + command: echo 'scaled' + scale: 3 + ### security_opt Override the default labeling scheme for each container.