Go Mail Server

A standalone server which its purpose is to only send email.

Required Environment Variables

Note: Before running the application, environment variables must be defined.
Instruction: Create a file .env inside your project directory, then add the variables with its corresponding values indicated in the table below.
Important Gmail Account Config: You will need to turn on Allow less secure apps on your gmail account.

Variables	Definition	Stage Values	Prod Values
ENV	Defines the environment the app will be running on.	prod	prod
PORT	The port where the app will run	80	80
EMAIL	Email address used by app for sending mails
EMAIL_PASSWORD	Password for the email

Build application

go build -o mail .

Build and run application

Linux: go build -o mail . && ./mail
Windows: go build -o mail . && go run mail

Directory structure

mail
    - config
        - bash
        - docker
    - src
        - config
        - gmail
        - routes
    - main.go

config

Main Project configuration

Directory	Definition
bash	Script that allows docker to have access to environment variables in gitlab
docker	Docker configuration for stage and prod

src

Contains the project source code.

Directory	Definition
config	Contains configuration for getting required values from environment variables
gmail	Contains the logic for sending email using gmail api
routes	Contains api route of the application for sending email

main.go

Entry point of the application.

API: Send email

• https://yourdomain.com/api/send/mail

  body: {
      email: string
      message: string
      subject: string
  }
  method: "POST"
  

  Response:

  {
    Message: string
    Email: string
    Subject: string
  }