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22 lines
926 B
Markdown
22 lines
926 B
Markdown
## Interacting with other containers and services
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Here are three ways to interact with other containers or services within your Docker Swarm or Kubernetes cluster.
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## Option 1 - host port
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Bind a port to the host and use the host's IP / DNS-entry in the function
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## Option 2 - Swarm service
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If you are creating a new container such as MySQL then you can create a swarm service and simply specify the network as an additional parameter. That makes it resolvable via DNS and doesn't require a host to be exposed on the host.
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```
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docker service create --name redis --network=func_functions redis:latest
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```
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## Option 3 - attachable network
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Go to your docker-compose YAML file and uncomment the last line which says "attachable". Now delete and re-deploy OpenFaaS (this must remove func_functions from `docker network ls`). Now when you re-create you can use `docker run --name redis --net=func_functions redis:latest`.
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