setup repository

.github/CODEOWNERS

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+## Global Admins
+* @thesuperzapper @gsemet
+
+## Airflow Chart Admins
+/charts/airflow @thesuperzapper @gsemet

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Report something which is not working properly!
+title: ''
+labels: 'bug'
+assignees: ''
+---
+
+<!-- ⚠️ BEFORE you submit an issue, please check if a similar issue already exists -->
+
+
+**What is the bug?**
+
+A clear description of what the bug is.
+
+
+**What are your Helm values?**
+
+Any relevant parts of your `custom_values.yaml`
+
+
+**What is your Kubernetes Version?**:
+
+```console
+$ kubectl version
+please put the output of it here
+```
+
+
+**What is your Helm version?**:
+
+```console
+$ helm version
+please put the output of it here
+```

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Suggest an idea for the project!
+title: ''
+labels: 'enhancement'
+assignees: ''
+---
+
+<!-- ⚠️ BEFORE you submit an issue, please check if a similar issue already exists -->
+
+
+**Is your feature request related to a problem?**
+
+Ex. I'm always frustrated when [...]
+
+
+**Describe the solution you'd like**
+
+What you want to happen.
+
+
+**Describe alternatives you've considered**
+
+Any alternative solutions or features you've considered.
+
+
+**Additional context**
+
+Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

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+<!-- ⚠️ please review https://github.com/airflow-helm/charts/tree/main/CONTRIBUTING.md -->
+
+
+**What issues does your PR fix?**
+
+- fixes #XXX
+- fixes #YYY
+
+
+**What does your PR do?**
+
+describe here
+
+
+## Checklist
+<!-- Place an '[x]' completed tasks -->
+- [ ] Commits are [signed](https://github.com/airflow-helm/charts/tree/main/CONTRIBUTING.md#sign-your-work)
+- [ ] Commits are [squashed](https://github.com/airflow-helm/charts/tree/main/CONTRIBUTING.md#squash-commits) (if appropriate)
+- [ ] Chart [version bumped](https://github.com/airflow-helm/charts/tree/main/CONTRIBUTING.md#versioning)
+- [ ] Passes [linting](https://github.com/airflow-helm/charts/tree/main/CONTRIBUTING.md#linting)

.github/workflows/lint-test.yaml

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+name: "Lint and Test Charts"
+
+on: pull_request
+
+jobs:
+  lint-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Install Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.4.0
+
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+
+      - name: Install chart-testing
+        uses: helm/chart-testing-action@v2.0.0
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed)
+          if [[ -n "$changed" ]]; then
+            echo "::set-output name=changed::true"
+          fi
+
+      - name: Run chart-testing (lint)
+        run: ct lint --config ct-config.yaml
+
+      - name: Create kind cluster
+        uses: helm/kind-action@v1.0.0
+        if: steps.list-changed.outputs.changed == 'true'
+
+      - name: Run chart-testing (install)
+        run: ct install --config ct-config.yaml

.github/workflows/release.yaml

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+name: "Release Charts"
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+
+      - name: Install Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.4.0
+
+      - name: Add dependency chart repos
+        run: |
+          helm repo add stable https://charts.helm.sh/stable
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.0.0
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

.github/workflows/sync-readme.yaml

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+name: "Sync README to gh-pages"
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "README.md"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout (main)
+        uses: actions/checkout@v2
+
+      - name: Copy README.md to temp
+        run: |
+          cp -f README.md ${{ runner.temp }}/README.md
+
+      - name: Checkout (gh-pages)
+        uses: actions/checkout@v2
+        with:
+          ref: gh-pages
+
+      - name: Git Push (gh-pages)
+        run: |
+          cp -f ${{ runner.temp }}/README.md .
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+          git add README.md
+          git commit --signoff -m "sync README.md from main branch"
+          git push

.gitignore

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+## JetBrains
+.idea/
+*.iml
+*.ipr
+*.iws
+
+## VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+.history/
+
+## Vim
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+Session.vim
+Sessionx.vim
+.netrwhist
+*~
+[._]*.un~
+
+## Emacs
+*~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+.\#*
+
+## macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+._*
+
+## Chart Dependencies
+**/charts/*.tgz

CONTRIBUTING.md

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+# Contributing Guidelines
+
+Contributions are welcome via GitHub pull requests.
+
+## Requirements
+
+1. Must pass [DCO check](#sign-your-work)
+1. Must pass [Versioning check](#versioning)
+1. Must pass [Squashing check](#squash-commits)
+1. Must pass [Lint check](#linting)
+
+## Sign Your Work
+
+To certify you agree to the [Developer Certificate of Origin](https://developercertificate.org/) you must sign-off each commit message using `git commit --signoff`, or manually write the following:
+```text
+This is my commit message
+
+Signed-off-by: John Smith <john.smith@example.org>
+```
+
+The text of the agreement is:
+```text
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+1 Letterman Drive
+Suite D4700
+San Francisco, CA, 94129
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.
+```
+
+## Versioning
+
+The chart `version` should follow [SemVer](https://semver.org/)
+- If you __REMOVE/CHANGE a value__ → bump a MAJOR version
+- If you __ADD a value__ → bump a MINOR version
+- If you __fix a bug__ → bump a PATCH version
+
+## Squash Commits
+
+Unless having multiple commits makes the PR more clear, please squash your commits and force push your branch.
+
+## Linting
+
+Please ensure `ct lint` from [chart-testing](https://github.com/helm/chart-testing) succeeds.