Deployment Image

Skygear Cluster supports building Docker image for your micro-services before deployment. Currently we support build image using two methods: from template, and from Dockerfile.
Developer can also specify a pre-built image, which Skygear Cluster would use it directly.
Build Image from template
To build image from template, the context and template key must be specified in the micro-service configuration.
The context key specifies the location of the micro-service code, it will be copied into the image at build time.
The template key specifies the image template to use. Currently, we support three templates:
nodejs:8
nodejs:10
nodejs:12
Build Image from Dockerfile
To build image from Dockerfile, the context key must be specified in the micro-service configuration.
The context key specifies the context of image build. Dockerfile must exists at the root of context, or otherwise specified using dockerfile key.
Using pre-built image
To use pre-built image, the image key must be specified in the micro-service configuration.
The image pull policy is IfNotPresent. So you should use a different tag if you want to pull a newer image. Using a constant tag like :latest always resolve to the first pulled image.
To pull image from private image registry, the image_pull_secret key must be specified. The value should a secret name, refer to a secret created with type dockerconfigjson:
1
$ skycli secret create --type=dockerconfigjson --name="<secret name>" --file="<docker_json_file>"
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Build Image from template

Build Image from Dockerfile

Using pre-built image