Undockerize local & CI site builds (apache#634)

.github/workflows/build.yml

@@ -36,11 +36,18 @@ jobs:
         uses: actions/setup-python@41b7212b1668f5de9d65e9c82aa777e6bbedb3a8  # v2.1.4
         with:
           python-version: '3.6'
-      - name: 🐳 Build Docker image
-        run: ./site.sh build-image
-      - name: 🟢 Install node depedencies
+      - name: ❤️  Install Node 16
+        uses: actions/[email protected]  # v3.3.0
+        with:
+          node-version: 16
+      - name: 📚 Install Hugo
+        uses: peaceiris/[email protected]  # v2.4.13
+        with:
+          hugo-version: '0.91.2'
+          extended: true
+      - name: 🟢 Install node dependencies
         run: ./site.sh install-node-deps
-      - name: 🐍 Install Python depedencies
+      - name: 🐍 Install Python dependencies
         run: pip install -r requirements.txt
       - name: 🔎 Lint
         uses: apache/airflow-pre-commit-action@0764670bf370aab253130d534e1eda7ff497dc60  # v2.0.0
@@ -61,7 +68,7 @@ jobs:
           path: './dist'
           if-no-files-found: error
           retention-days: 14
-      - name: 👷🏻 Copy .asf.yaml to /dist/
+      - name: 👷 Copy .asf.yaml to /dist/
         if: ${{ github.event_name == 'push' }}
         run: |
           # The asf.yaml file must be in the branch from which the files are published.

CONTRIBUTE.md

@@ -65,7 +65,9 @@ be done by the site.sh script
 The following applications must be installed to use the project:
 
 * git
-* docker
+* docker (for the shell language linter)
+* Node 16
+* Hugo
 
 It is also worth adding SSH keys for the `github.com` server to trusted ones. It is necessary to clone repositories. You can do this using following command:
 ```bash
@@ -91,6 +93,37 @@ git config --global user.email '<[email protected]>'
 git config --global user.name '<you name>'
 ```
 
+To install Node 16, first install the [Node version manager](https://github.com/nvm-sh/nvm), `nvm`. Then, install Node 16 with these commands:
+
+```bash
+nvm install 16
+nvm use 16
+```
+
+To install hugo on Debian, run the following command:
+```bash
+sudo apt install hugo -y
+```
+
+**macOS installation**
+
+To install git on macOS, install the XCode Command Line Tools with the following command:
+```bash
+xcode-select --install
+```
+
+Then, install [Homebrew](https://brew.sh). Once that has completed, you can install Hugo:
+```bash
+brew install hugo
+```
+
+To install Node 16, first install the [Node version manager](https://github.com/nvm-sh/nvm), `nvm`. Then, install Node 16 with these commands:
+
+```bash
+nvm install 16
+nvm use 16
+```
+
 ### Static checks
 
 The project uses many static checks using fantastic [pre-commit](https://pre-commit.com/). Every change is checked on CI and if it does not pass the tests it cannot be accepted. If you want to check locally then you should install Python3.6 or newer together with pip and run following command to install pre-commit:
@@ -127,23 +160,18 @@ git submodule update --init --recursive
 
 ### Use `site.sh` script
 
-In order to run an environment for the project, make sure that you have Docker installed. Then, use the `site.sh`
-script to work with the website in a Docker container.
+In order to manage your local environment for the project, use the `site.sh` script.
 
 `site.sh` provides the following commands.
 
     build-site            Prepare dist directory with landing pages and documentation
     preview-landing-pages Starts the web server with preview of the website
     build-landing-pages   Builds a landing pages
     prepare-theme         Prepares and copies files needed for the proper functioning of the sphinx theme.
-    shell                 Start shell
-    build-image           Build a Docker image with a environment
     install-node-deps     Download all the Node dependencies
     check-site-links      Checks if the links are correct in the website
     lint-css              Lint CSS files
     lint-js               Lint Javascript files
-    cleanup               Delete the virtual environment in Docker
-    stop                  Stop the environment
     help                  Display usage
 
 ### How to add a new blogpost

dump-docs-packages-metadata.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 import json
 import sys
 

landing-pages/package.json

@@ -50,7 +50,6 @@
     "file-loader": "^4.1.0",
     "imports-loader": "^0.8.0",
     "mini-css-extract-plugin": "^0.8.0",
-    "node-sass": "^4.12.0",
     "npm-run-all": "^4.1.5",
     "optimize-css-assets-webpack-plugin": "^5.0.3",
     "plugin-error": "^1.0.1",
@@ -59,6 +58,7 @@
     "postcss-loader": "^3.0.0",
     "postcss-preset-env": "^6.7.0",
     "rimraf": "^3.0.0",
+    "sass": "^1.53.0",
     "sass-loader": "^7.1.0",
     "style-loader": "^1.0.0",
     "stylelint": "^11.0.0",