readme.md

Day 02

Introduction

Using export, echo and docker

Prerequisites

• Docker

Challenge

Challenge 1

At first we want to use environment variables. For this we use the export command.

export NAME="Alice"
export AGE=25

We can display them again with using echo and the $

echo $NAME
echo $AGE

Challenge 2

In the second challenge we use them in a web service.

Run the following commands

# Build the image
docker build -t go-env-server .

# Run the container with custom environment variables
docker run -p 8080:8080 -e NAME=${NAME} -e AGE=${AGE} go-env-server 

Go in your Browser to http://localhost:8080

we can stop the server with Crtl + C

Challenge 3

Think about your own variables and pass them to the go-env-server!