Part 2: Docker CE and Docker Compose installation with ubuntu

Docker CE for Ubuntu

CKEditor with rails

Gem

Part 3: Docker with rails, postgres (database which is running outside the docker)

Toaster with rails5.2.1

toastr is a Javascript library for non-blocking notifications. jQuery is required. The goal is to use toaster with rails controller…

Make sure to Setup a Firewall with UFW on ubuntu

Enable or block firewall access

Rails postgres error authentication failed

FATAL: password authentication failed for user “postgres” while rake db:create

So we are resetting the password for postgres user

Base64 encoding and decoding for mp4 video in Ruby

Encoding

require 'base64'
data = File.open('/home/name/folder/sample-video.mp4').read
encoded = Base64.encode64(data)