#dockerize

Introduction

A curious developer and tech enthusiast never miss an opportunity to learn a little more every day! I can absolutely relate to this urge to learn. So, keeping your curiosity in mind, we are back with another Rails tutorial on how to dockerize rails applications with the help of Docker Compose. Hoping that you are familiar with what is Docker and why do we need Docker.

Let’s get started with the app development and dockerizing it.

Create a Rails App

Fire the following commands to create a rails app.

Prerequisites: Dockerize Rails Application

As we are implementing Docker Compose, make sure about the following installations before getting started.

Install Docker Community Edition

Install Docker Compose

Create a Dockerfile

The Dockerfile is the foundation of any Dockerized app. It contains all the instructions for building the application image. You can set this up by installing Ruby and all of its dependencies. The Dockerfile consists of the following instructions.

Every day, a curious developer and tech enthusiast never misses an opportunity to learn something new! This desire to study is something I understand. So, with your curiosity in mind, we're back with another Rails tutorial on using Docker Compose to a dockerize rails app. I hope you're familiar with what Docker is and why we need it.

Let's get started on developing and dockerizing the app.

Create a Rails App

Prerequisites: Dockerize Rails Application

As we are implementing Docker Compose, make sure about the following installations before getting started.

Install Docker Community Edition

Install Docker Compose

Create a Dockerfile for rails developer

Define Services Using Docker Compose

Build the Project

Database Connection

Summary: How to Dockerize Rails Application

mkdir ~/projects/noteapp

cd ~/projects/noteapp

Create Gemfile and empty Gemfile.lock (content is given above)

Create Dockerfile (content is given above)

Create docker-compose.yml (content is given above)

docker-compose run app rails new . –force –database=mysql

Make changes in config/database.yml

docker-compose build

docker-compose up

http://localhost:3001

docker-compose run –rm app rails g scaffold note title body:text

docker-compose run –rm app rake db:migrate

http://localhost:3001/notes

Introduction

Do you find getting started with Docker intimidating? Do you want to take the first step and successfully dockerize golang application? Are you having trouble finding a basic step-by-step tutorial to dockerize golang application? All these questions and just one answer – If yes, you’ve chosen the correct tutorial!

The purpose of this tutorial is to get your hands on Docker for the starters. In this guideline, we will build a ‘Hello, World’ application and follow simple steps to dockerize the golang app. Without further ado, let’s get started with our tutorial.

Prerequisites to Dockerize Golang Application

Before building the application, make sure your system is installed with docker and golang. If not, then visit the links below to install. ⦿ Install Docker ⦿ Install Golang

Project Setup

First of all, let’s create the main.go file and initialize the application using the command go mod init

Our project structure will look like this-

sample-dockerize-app |– main.go |– Dockerfile

Our main.go will contain the following code.

Read more to Dockerize your Golang Application