Last three challenges... hopefully.

Author: deltaepsilon

cloud-functions-for-firebase/challenge.md

@@ -4,3 +4,58 @@ description: Cloud Functions Challenge
 
 # Challenge
 
+## Cloud Functions
+
+## Find the repo
+
+We'll be working on a branch of our [firelist-react](https://github.com/how-to-firebase/firelist-react) repo named [challenge-functions](https://github.com/how-to-firebase/firelist-react/tree/challenge-functions).
+
+## Localhost installation
+
+Pull [the repo](https://github.com/how-to-firebase/firelist-react) directly from GitHub...
+
+```text
+git clone https://github.com/how-to-firebase/firelist-react.git
+cd firelist-react
+git checkout challenge-functions
+```
+
+## Edit environment files
+
+Update the following files with your own project details:
+
+* `/.firebaserc`
+* `/public/environments/environment.dev.js`
+* `/public/environments/environment.js`
+* `/functions/environments/environment.dev.js`
+* `/functions/environments/environment.js`
+
+## Run the tests
+
+Once you're on the branch, make sure to run `yarn` or `npm install` to get your Node.js dependencies.
+
+Then `cd` into your `functions` directory and run `yarn` or `npm install` again.
+
+Make sure that you've installed [nvm for Linux/macOS](https://github.com/creationix/nvm), [nvm for Windows](https://github.com/coreybutler/nvm-windows) or some other tool to switch between Node.js versions.
+
+Use `nvm install 6.14.2` then `nvm use 6.14.2` to switch to Node version 6.14.2.
+
+The Node version is important to make sure that your tests run in an identical environment to that of the Cloud Functions runtime.
+
+Then run `yarn test` or `npm test` to run your tests.
+
+```text
+yarn
+cd functions
+nvm install 6.14.2
+nvm use 6.14.2
+node --version //should read out 6.14.2
+yarn test
+```
+
+## Complete the challenge
+
+Search the codebase for `Challenge Functions` to find all of the challenges.
+
+Work through the challenges in order from 01 to 06
+

cloud-messaging/challenge.md

@@ -6,10 +6,6 @@
 
 We'll be working on a branch of our [firelist-react](https://github.com/how-to-firebase/firelist-react) repo named [firebase-messaging](https://github.com/how-to-firebase/firelist-react/tree/master).
 
-## Codesandbox
-
-Simply open up the [CodeSandbox.io](https://codesandbox.io/s/github/how-to-firebase/firelist-react/tree/firebase-messaging) project :\)
-
 ## Localhost installation
 
 Pull [the repo](https://github.com/how-to-firebase/firelist-react) directly from GitHub...

firebase-storage/challenge.md

@@ -4,5 +4,55 @@ description: Firebase Storage Challenge
 
 # Challenge
 
+## Firebase Storage
 
+## Find the repo
+
+We'll be working on a branch of our [firelist-react](https://github.com/how-to-firebase/firelist-react) repo named [challenge-storage](https://github.com/how-to-firebase/firelist-react/tree/challenge-storage).
+
+## Localhost installation
+
+Pull [the repo](https://github.com/how-to-firebase/firelist-react) directly from GitHub...
+
+```text
+git clone https://github.com/how-to-firebase/firelist-react.git
+cd firelist-react
+git checkout challenge-storage
+```
+
+## Edit environment files
+
+Update the following files with your own project details:
+
+* `/.firebaserc`
+* `/public/environments/environment.dev.js`
+* `/public/environments/environment.js`
+* `/functions/environments/environment.dev.js`
+* `/functions/environments/environment.js`
+
+## Deploy Cloud Functions
+
+If you had some trouble deploying Cloud Functions earlier, make sure to deploy the correct functions now.
+
+Run `yarn deploy:functions` to deploy valid versions of each function up to your Firebase project.
+
+## Start the app
+
+Once you're on the branch, make sure to run `yarn` or `npm install` to get your Node.js dependencies.
+
+Then run `yarn start` or `npm run start` to spin up the development server.
+
+```text
+yarn
+yarn start
+```
+
+## Complete the challenge
+
+Search the codebase for `Challenge Storage` to find all of the challenges.
+
+Read the comments and complete the steps in those files.
+
+- `src/storage/delete-image.js`
+- `src/storage/get-upload-observable.js`