Merge pull request #108 from kbst/addstarterreadmes

Add README.md files to starter repositories

Author: pst

quickstart/src/configurations/_shared/README.md

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+# Welcome to Kubestack
+
+This repository uses [Kubestack][1]. Kubestack is the open source GitOps framework for teams that want to automate infrastructure, not reinvent automation.
+
+ * Infrastructure is defined using Terraform configuration
+ * Cluster manifests are defined using Kustomize bases and overlays
+ * Bases and overlays can be bespoke, or consumed from the [catalog][2].
+ * Both infrastructure and manifests follow the Kubestack [inheritance model][3] to prevent configuration drift between the *ops* and *apps* environments
+ * All changes follow the same four step process.
+
+Full [framework documentation][4] is available online.
+
+## Making changes
+
+All changes to the Kubernetes cluster, supporting infrastructure and the services defined as part of the manifests in this repository follow the Kubestack [GitOps process][5]. The GitOps process ensures that changes are safely applied by first reviewing the proposed changes, then validating the changes against the *ops* environment and only then promoting the changes to be applied against the *apps* environment by setting a tag.
+
+To accelerate the developer workflow, a [development environment][6], can be run on localhost.
+
+ 1. Change
+
+    Make changes to the configuration in a new branch. Commit the changed configuration. Validate your changes by pushing the new branch. The pipeline runs `terraform plan` against the *ops* workspace.
+
+    ```shell
+    # checkout a new branch from master
+    git checkout -b examplechange master
+
+    # make your changes
+
+    # commit your changes
+    git commit  # write a meaningful commit message
+
+    # push your changes
+    git push origin examplechange
+    ```
+
+ 1. Review
+
+    Request a peer review of your changes. Team members review the changes and the Terraform plan. If reviewers require changes, make additional commits in the branch.
+
+    ```shell
+    # make sure you're in the correct branch
+    git checkout examplechange
+
+    # make changes required by the review
+
+    # commit and push the required changes
+    git commit  # write a meaningful commit message
+    git push origin examplechange
+    ```
+
+ 1. Merge
+
+    If approved, merge your changes to master, to apply them against the *ops* environment. After applying to *ops* was successful, the pipeline runs Terraform plan against the *apps* environment.
+
+    ```shell
+    # you can merge on the commandline
+    # or by merging a pull request
+    git checkout master
+    git merge examplechange
+    git push origin master
+    ```
+
+ 1. Promote
+
+    Review the previous *apps* environment plan and tag the merge commit to promote the same changes to the *apps* environment.
+
+    ```shell
+    # make sure you're on the correct commit
+    git checkout master
+    git pull
+    git log -1
+
+    # if correct, tag the current commit
+    # any tag prefixed with `apps-deploy-`
+    # will trigger the pipeline
+    git tag apps-deploy-$(date -I)-0
+
+    # in case of multiple deploys on the same day,
+    # increase the counter
+    # e.g. git tag apps-deploy-2020-05-14-1
+    ```
+
+## Manual operations
+
+In case of the automation being unavailable, upgrades requiring manual steps or in disaster recovery scenarios run Terraform and the cloud CLI locally. Kubestack provides container images bundling all dependencies to use for both automated and manual operations.
+
+```shell
+# Build the bootstrap container
+docker build -t kubestack .
+
+# Exec into the bootstrap container
+docker run --rm -ti \
+    -v `pwd`:/infra \
+    # uncomment to mount the docker socket for local dev
+    # -v /var/run/docker.sock:/var/run/docker.sock \
+    kubestack
+```
+
+```shell
+# if you haven't before, login
+
+# for AWS
+aws configure
+
+# for Azure
+az login
+
+# for GCP
+gcloud init
+gcloud auth application-default login
+```
+
+```shell
+# select the desired environment
+# for ops
+terraform workspace select ops
+
+# or for apps
+terraform workspace select apps
+```
+
+```shell
+# run terraform init
+terraform init
+
+# run terraform commands as required, e.g.
+terraform plan
+```
+
+[1]: https://www.kubestack.com
+[2]: https://www.kubestack.com/catalog
+[3]: https://www.kubestack.com/framework/documentation/inheritance-model
+[4]: https://www.kubestack.com/framework/documentation
+[5]: https://www.kubestack.com/framework/documentation/gitops-process
+[6]: https://www.kubestack.com/framework/documentation/tutorial-build-local-lab

quickstart/src/configurations/aks/README.md

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+../_shared/README.md

quickstart/src/configurations/eks/README.md

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+../_shared/README.md

quickstart/src/configurations/gke/README.md

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+../_shared/README.md

quickstart/src/configurations/kind/README.md

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+../_shared/README.md

quickstart/src/configurations/multi-cloud/README.md

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+../_shared/README.md