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docs: correct the placement constraints `docker service` example

- the constraint expression needs to be quoted
- add an actual redis container to run so the command line works

Signed-off-by: Anil Madhavapeddy <anil@docker.com>
Anil Madhavapeddy 9 anni fa
parent
commit
c37da1792d
1 ha cambiato i file con 2 aggiunte e 1 eliminazioni
  1. 2 1
      docs/reference/commandline/service_create.md

+ 2 - 1
docs/reference/commandline/service_create.md

@@ -170,7 +170,8 @@ node type label equals queue:
 ```bash
 $ docker service create \
   --name redis_2 \
-  --constraint node.labels.type == queue
+  --constraint 'node.labels.type == queue' \
+  redis:3.0.6
 ```
 
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