add file structure article first version

src/docs/ftw-introduction/file-structure/index.md

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+---
+title: File and directory structure
+slug: file-and-directory-structure
+updated: 2023-12-01
+category: template-introduction
+ingress: How code is organised in the template
+published: true
+---
+
+## How Code in the Web Template is Organized
+
+All front-end or client side code is located in the src directory and
+all server side code is located under the server directory. You will
+also see a public, scripts and patches folder which include utility code
+and static assets used elsewhere in the codebase.
+
+```bash
+web-template
+├── CHANGELOG.md
+├── CHANGELOG_LEGACY.md
+├── LICENSE
+├── README.md
+├── build
+├── ext
+├── node_modules
+├── package.json
+├── patches
+├── public
+├── scripts
+├── server
+├── src
+└── yarn.lock
+```
+
+### src directory
+
+```bash
+src
+├── analytics
+├── app.js
+├── app.node.test.js
+├── app.test.js
+├── assets
+├── components
+├── config
+├── containers
+├── context
+├── ducks
+├── examples.js
+├── index.js
+├── reducers.js
+├── routing
+├── store.js
+├── styles
+├── transactions
+├── translations
+└── util
+```
+
+The bulk of the functional code is split between the containers and
+components directories. We have all presentational components located in
+a directory called “components”. These components are presentational in
+the sense that they don’t make any API calls, they’re modular and they
+are used in multiple containers throughout the application.
+
+Containers, on the other hand, are components that aren’t modular. They
+usually represent a specific page in the marketplace application.
+Containers are connected to the Redux store, and are responsible for
+updating and dispatching actions to Redux state. Within the container
+directory you will also find a .duck.js file which contains the logic of
+how the container interacts with the Redux store.
+
+See here for an example of how to create a new container:
+https://www.sharetribe.com/docs/template/how-to-add-static-pages/
+
+## Server
+
+The template contains a small Node.js server, which is used for
+server-side rendering and making API calls via a secure context. All
+server side code is located in the /server directory. Keep in mind that
+when running the web-template locally, the command `yarn run dev` will
+run the server and the client application in different ports. The client
+will run in port :3000 and the server in :3500. When running the
+`yarn run dev-server` command, the server will run in the same port as
+the client :4000. This is to enable hot-module reloading when using the
+`yarn run dev-server` command.
+
+```bash
+server
+├── api
+├── api-util
+├── apiRouter.js
+├── apiServer.js
+├── auth.js
+├── csp.js
+├── dataLoader.js
+├── env.js
+├── importer.js
+├── index.js
+├── log.js
+├── renderer.js
+├── resources
+└── wellKnownRouter.js
+```
+
+### Simple example: create a new server-side endpoint
+
+Create a new file under server > api and name it my-new-endpoint.js
+
+```js
+module.exports = (req, res) => {
+  console.log(req.body);
+  res.status(200).json({ test: 'data' });
+};
+```
+
+In apiRouter.js:
+
+```js
+import const myNewEndpoint = require('./api/my-new-endpoint');
+
+// And define a new endpoint:
+router.get('/my-new-endpoint', transitionPrivileged);
+```
+
+Define a new get helper in api.js
+
+```js
+const get = (path, body, options = {}) => {
+  const requestOptions = {
+    ...options,
+    method: methods.GET,
+  };
+
+  return request(path, requestOptions);
+};
+```
+
+Add the following in api.js in client:
+
+```js
+export const myNewEndpoint = body => {
+  return get('/api/my-new-endpoint', body);
+};
+```
+
+Start your server using `yarn run dev` and you can now call it via a
+CURL call:
+
+```bash
+curl -i -X GET  http://localhost:3500/api/my-new-endpoint
+```
+
+And it’ll return:
+
+```bash
+HTTP/1.1 200 OK
+X-Powered-By: Express
+Access-Control-Allow-Origin: http://localhost:3000
+Vary: Origin
+Access-Control-Allow-Credentials: true
+Content-Type: application/json; charset=utf-8
+Content-Length: 15
+ETag: W/"f-qRT4fqjUp2+H1CuYeqacbJItQk0"
+Date: Thu, 30 Nov 2023 19:11:47 GMT
+Connection: keep-alive
+Keep-Alive: timeout=5
+
+{"test":"data"}
+```