Update readme

Author: guanquann

backend/question-service/README.md

@@ -1,5 +1,59 @@
 # Question Service
 
+## Setting-up MongoDB
+
+> :notebook: If you are familiar to MongoDB and wish to use a local instance, please feel free to do so. This guide utilizes MongoDB Cloud Services.
+
+1. Set up a MongoDB Shared Cluster by following the steps in this [Guide](../user-service/MongoDBSetup.md).
+
+2. After setting up, go to the Database Deployment Page. You would see a list of the Databases you have set up. Select `Connect` on the cluster you just created earlier.
+
+   ![alt text](../user-service/GuideAssets/ConnectCluster.png)
+
+3. Select the `Drivers` option, as we have to link to a Node.js App (Question Service).
+
+   ![alt text](../user-service/GuideAssets/DriverSelection.png)
+
+4. Select `Node.js` in the `Driver` pull-down menu, and copy the connection string.
+
+   Notice, you may see `<password>` in this connection string. We will be replacing this with the admin account password that we created earlier on when setting up the Shared Cluster.
+
+   ![alt text](../user-service/GuideAssets/ConnectionString.png)
+
+5. In the `question-service` directory, create a copy of the `.env.sample` file and name it `.env`.
+
+6. Update the `MONGO_URI` of the `.env` file, and paste the string we copied earlier in step 4. 
+
+## Setting-up Firebase
+
+1. Go to https://console.firebase.google.com/u/0/.
+
+2. Create a project and choose a project name. Navigate to `Storage` and click on it to activate it.
+
+3. Select `Start in production mode` and your preferred cloud storage region. 
+
+4. After Storage is created, go to `Rules` section and set rule to:
+    ```
+    rules_version = '2';
+    service firebase.storage {
+      match /b/{bucket}/o {
+        match /{allPaths=**} {
+          allow read: if true;
+          allow write: if request.auth != null;
+        }
+      }
+    }
+    ```
+    This rule ensures that only verified users can upload images while ensuring that URLs of images are public. Remember to click `Publish` to save changes.
+
+5. Go to `Settings`, `Project settings`, `Service accounts` and click `Generate new private key`. This will download a `.json` file, which will contain your credentials.
+
+6. In `.env` of question service, replace:
+   - `FIREBASE_PROJECT_ID` with `project_id` found in the downloaded json file.
+   - `FIREBASE_PRIVATE_KEY` with `private_key` found in the downloaded json file.
+   - `FIREBASE_CLIENT_EMAIL` with `client_email` found in the downloaded json file.
+   - `FIREBASE_STORAGE_BUCKET` with the folder path of the Storage. It should look something like `gs://<appname>.appspot.com`.
+
 
 ## Running Question Service
 

backend/user-service/README.md

@@ -6,7 +6,7 @@
 
 1. Set up a MongoDB Shared Cluster by following the steps in this [Guide](MongoDBSetup.md).
 
-2. After setting up, go to the Database Deployment Page. You would see a list of the Databases you have set up. Select `Connect` on the cluster you just created earlier on for User Service.
+2. After setting up, go to the Database Deployment Page. You would see a list of the Databases you have set up. Select `Connect` on the cluster you just created earlier.
 
    ![alt text](GuideAssets/ConnectCluster.png)
 
@@ -24,36 +24,6 @@
 
 6. Update the `DB_CLOUD_URI` of the `.env` file, and paste the string we copied earlier in step 4. 
 
-## Setting-up Firebase
-
-1. Go to https://console.firebase.google.com/u/0/.
-
-2. Create a project and choose a project name. Navigate to `Storage` and click on it to activate it.
-
-3. Select `Start in production mode` and your preferred cloud storage region. 
-
-4. After Storage is created, go to `Rules` section and set rule to:
-    ```
-    rules_version = '2';
-    service firebase.storage {
-      match /b/{bucket}/o {
-        match /{allPaths=**} {
-          allow read: if true;
-          allow write: if request.auth != null;
-        }
-      }
-    }
-    ```
-    This rule ensures that only verified users can upload images while ensuring that URLs of images are public. Remember to click `Publish` to save changes.
-
-5. Go to `Settings`, `Project settings`, `Service accounts` and click `Generate new private key`. This will download a `.json` file, which will contain your credentials.
-
-6. In `.env` of question service, replace:
-   - `FIREBASE_PROJECT_ID` with `project_id` found in the downloaded json file.
-   - `FIREBASE_PRIVATE_KEY` with `private_key` found in the downloaded json file.
-   - `FIREBASE_CLIENT_EMAIL` with `client_email` found in the downloaded json file.
-   - `FIREBASE_STORAGE_BUCKET` with the folder path of the Storage. It should look something like `gs://<appname>.appspot.com`.
-
 ## Running User Service
 
 1. Open Command Line/Terminal and navigate into the `user-service` directory.