common

Common helper utilities and wrappers for code reuse.

When we code projects, we constantly encounter a similar set of functionality and logic. This package's intent is to wrap those commonly recurring functionalities and access points into a reusable helper package, so that we don't have to keep maintaining separate code bases.

This package will continue to be updated with more reusable code as well.

Usage

• To use the common package:
  • in the project folder root:
  • go mod init
  • go mod tidy
• For example, if project is "HelloWorld":
  • /HelloWorld/go mod init
  • /HelloWorld/go mod tidy

types of helpers

• string helpers
• number helpers
• io helpers
• converter helpers
• db type helpers
• net helpers
• reflection helpers
• regex helpers
• time and date helpers
• uuid helpers
• crypto helpers (aes, gcm, rsa, sha, etc)
• csv parser helpers
• wrappers for aws related services
  • service discovery / cloud map wrapper (using aws sdk)
  • dynamodb / dax wrapper (using aws sdk)
  • kms wrapper (using aws sdk)
  • redis wrapper (using go-redis package)
  • s3 wrapper (using aws sdk)
  • ses wrapper (using aws sdk)
  • sqs wrapper (using aws sdk)
  • sns wrapper (using aws sdk)
  • gin web server
  • xray wrapper (using aws sdk)
    • use xray.Init() to config
    • use xray.SetXRayServiceOn() to enable xray tracing
    • xray tracing is already coded into the following services:
      • kms, cloudmap, dynamodb, redis, s3, ses, sns, sqs, mysql, gin
• wrappers for relational database access
  • mysql wrapper (using sqlx package)
  • sqlite wrapper (using sqlx package)
  • sqlserver wrapper (using sqlx package)
• other wrappers
  • for running as systemd service
  • for logging and config
  • for circuit breaker and rate limit
  • etc.

build and deploy automation

• Create a file such as 'build.sh' within project
• Edit file content as:

    #!/bin/zsh

    GOOS=linux GOARCH=amd64 go build
    scp -i ~/.ssh/YourKey.pem YourBinary hostUserName@hostIP:/home/hostUserName/targetFolder

• Descriptions:
  • YourKey.pem = the Linux Host SSH Certificate Key
  • YourBinary = the Binary Build by go build to Upload
  • hostUserName = the Linux Host Login Username
  • hostIP = the Linux Host IP Address
  • hostUserName = the Linux Host Login Username
  • targetFolder = the Linux Host Folder Where SCP Will Upload YourBinary To