Update Servers/Containerization/Kubernetes/Migrating Docker-Compose.yml to k8s.md
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# Migrating `docker-compose.yml` to Rancher RKE2 Cluster
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You may be comfortable operating with Portainer or `docker-compose`, but there comes a point where you might want to migrate those existing workloads to a Kubernetes cluster as easily-as-possible. Lucklily, there is a way to do this using a tool called "**Kompose**'. Follow the instructions seen below to convert and deploy your existing `docker-compose.yml` into a Kubernetes cluster such as Rancher RKE2.
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!!! info "RKE2 Cluster Deployment"
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This document assumes that you have an existing Rancher RKE2 cluster deployed. If not, you can deploy one following the [Deploy RKE2 Cluster](https://docs.bunny-lab.io/Servers/Containerization/Kubernetes/Deployment/Rancher RKE2/) documentation.
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## Installing Kompose
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The first step involves downloading Kompose from https://kompose.io/installation. Once you have it downloaded and installed onto your environment of choice, save a copy of your `docker-compose.yml` file somewhere on-disk, then open up a terminal and run the following command:
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```sh
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kompose --file docker-compose.yaml convert --stdout > compose-k8s.yaml
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kompose --file docker-compose.yaml convert --stdout > ntfy-k8s.yaml
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```
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This will attempt to convert the `docker-compose.yml` file into a Kubernetes manifest YAML file. The Before and after example can be seen below:
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=== "docker-compose.yml"
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=== "(Original) docker-compose.yml"
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``` yaml
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version: "2.1"
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external: true
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```
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=== "compose-k8s.yaml"
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=== "(Converted) ntfy-k8s.yaml"
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``` yaml
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---
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