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build-and-push-container-images.md

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Build and push container images

The hello-kubernetes container image can be built and pushed to your own registry or or DockerHub repository. Currently only the linux/amd64 architecture is supported.

Prerequisites

If you are using the VS Code Remote Containers based development environment, all of the prerequisites will be available in the terminal.

Makefile configuration

The Makefile in the root folder of the repo provides the functionality to allow you to build and push your own hello-kubernetes container image.

Environment variables

Name Default Description
REGISTRY docker.io The container registry to push the images to.
REPOSITORY paulbouwer The repository (or hierarchy) within the container registry where the image will be located.
IMAGE_VERSION the version in src/app/package.json The image version (label) to use for the built and pushed container images.

Targets

Name Description
build-image-linux Build the hello-kubernetes container image for the linux/amd64 architecture.
push-image Push the hello-kubernetes container image to the defined registry.

Building a container image

You can build the hello-kubernete container image as follows:

# Build the paulbouwer/hello-kubernetes:$version image
make build-image-linux

# Build the paulbouwer.azurecr.io/paulbouwer/hello-kubernetes:$version image
export REGISTRY=paulbouwer.azurecr.io
make build-image-linux

Pushing a container image

You can push your built hello-kubernetes container image to the defined registry as follows:

# Push paulbouwer/hello-kubernetes:$version to docker hub.
# Will tag $majorversion and $majorversion.$minorversion.
#
# Example: The container image will be tagged as follows for $version=1.10.0
#   - paulbouwer/hello-kubernetes:1.10.0
#   - paulbouwer/hello-kubernetes:1.10
#   - paulbouwer/hello-kubernetes:1
make push-image

# REGISTRY=paulbouwer.azurecr.io
# Push paulbouwer.azurecr.io/paulbouwer/hello-kubernetes:$version to paulbouwer.azurecr.io.
# Will tag $majorversion and $majorversion.$minorversion.
#
# Example: The container image will be tagged as follows for $version=1.10.0
#   - paulbouwer.azurecr.io/paulbouwer/hello-kubernetes:1.10.0
#   - paulbouwer.azurecr.io/paulbouwer/hello-kubernetes:1.10
#   - paulbouwer.azurecr.io/paulbouwer/hello-kubernetes:1
export REGISTRY=paulbouwer.azurecr.io
make push-image