Velocity Works Coding Demo

Golang-Demo

This Golang application consumes a JSON payload from data.gov, populates expense Actuals database and displays the database contents on a web page.

Frameworks used:

• Echo to build the website: https://github.com/labstack/echo
• Resty to retrieve data from Data.gov: https://github.com/go-resty/resty
• Jsonparser to process the data: https://github.com/buger/jsonparser
• GORM to populate the database: https://github.com/jinzhu/gorm

Setup

Configuration file

Create a velocity_works.ini configuration file and place it wherever you want. Configuration should look like this

[main]
templates_directory = /home/hostname/path/to/proj-dir/Golang-Demo/contrib/templates


[database]
host = localhost
name = velocity_works
password =postgres
port = 5432
user = username

Export config path

put this line into ~/.bashrc file

export VELOCITY_WORKS_SETTINGS=path/to/config/velocity_works.ini 

change path/to/config/ with your config path.

Run migration

in order to run migration you need to install golang-migrate/migrate

after installing run this command from project's directory

 migrate -path ./contrib/migrations/ -database "postgres://USERNAME:@localhost:5432/DBNAME?sslmode=disable" up

change USERNAME and DBNAME with you username and dbname

Build

Run make command it will take care of rest

make

Help

./bin/velocity-worker --help

Sync database

./bin/velocity-worker sync_db

Serve UI api

./bin/velocity-worker serve_ui