Instagram Backend API

• GOLANG APIs to handle USER and POST creation
• These APIs only use go standard packages
• MongoDB is used for storage

Prerequisites

• MongoDB connection string / URI (Local or Remote)
• GOLANG

Setup

• Extract the repo into a folder, I'll be calling this Repo
• Add this directory to GOPATH environment variable (Follow this for help)
• Open the terminal of your choice and navigate to Repo/src/insta_backend
• Run the below snippet to download the dependencies

 go mod download

• Make sure you have the following environment variables setup:

MONGO_URI = <mongoDB connection string> // example: mongodb+srv://<user_name>:<password>@cluster0.spv7l.mongodb.net/Cluster0
MONGO_DBNAME = <name of the mongoDB database> //example: MONGO_DBNAME = "MyDB"
ENCRYPT_KEY = <32 BIT LONG ENCRYPTION KEY> //example: ENCRYPT_KEY = "thisis32bitlongpassphraseimusing"
PORT = <the port where the server will run>// example: PORT = :3000

• Run the following snippet to start the server at the PORT

go run main.go

Usage

There are 5 endpoints relating to users and posts

GET /users/:id

This endpoint returns user object with the following structure:

id       //mongoObjectId
name     //string
email    //string
password //string

GET /posts/:id

This endpoint returns post object with the following structure:

id        //mongoObjectId
userId    //mongoObjectId
caption   //string
imageUrl  //string
postTime  //ISOSTRING

GET /posts/users/:id

This endpoint returns an array of post objects with the following structures:

id        //mongoObjectId
userId    //mongoObjectId
caption   //string
imageUrl  //string
postTime  //ISOSTRING

POST /users/

This endpoint returns objectId to of the user created, the request body should contain:

name     //string
email    //string
password //string

POST /posts/

This endpoint returns objectId to of the post created, the request body should contain:

userId    //mongoObjectId
caption   //string
imageUrl  //string
postTime  //ISOSTRING

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT