Deploying hhpd server using Dockerfile

Deploying Python SimpleHTTPServer (HTTPD server) on a Docker container using Dockerfile

Authors

• asokone@thecloudedu.com

What is in this image?

Python Httpd is a lightweight HyperText Transfer Protocol (HTTP) server program. It is designed to be run as a standalone daemon process. I am using it the create my first Webpage.

Dockerfile - images based on Oracle Linux 8.2

FROM oraclelinux:8.2

RUN dnf install -y httpd RUN dnf install -y sudo RUN dnf install -y which RUN dnf install -y perl

WORKDIR /var/www/cgi-bin COPY counter.pl counter.pl COPY counter.txt counter.txt RUN chown apache:apache counter.pl counter.txt

WORKDIR /var/www/html COPY AndialySokone.jpg AndialySokone.jpg COPY index.html index.html RUN chown apache:apache index.html AndialySokone.jpg

LABEL maintainer="asokone@thecloudedu.com"
version="1.0.1"

EXPOSE 80

ENTRYPOINT /usr/sbin/httpd -D FOREGROUND

Build

$ cd /home/asokone/kubernetes/Kube_Fundamentals/github

$ ls

AndialySokone.jpg application.py counter.pl counter.txt Dockerfile Dockerfile.Alpine Dockerfile.oraclelunix8.2 index.html

$ docker image build -t myweb .

[+] Building 754.1s (19/19) FINISHED => [internal] load .dockerignore
=> => transferring context: 2B
=> [internal] load build definition from Dockerfile
=> => transferring dockerfile: 851B
=> [internal] load metadata for docker.io/library/oraclelinux:8.2
=> [auth] library/oraclelinux:pull token for registry-1.docker.io
=> CACHED [ 1/13] FROM docker.io/library/oraclelinux:8.2@sha256:528f50bfc64d39a72b2a3d02147cc88af35ec15a036e5c3ecc162baaede => [internal] load build context
=> => transferring context: 88.35kB
=> [ 2/13] RUN dnf install -y httpd
=> [ 3/13] RUN dnf install -y sudo
=> [ 4/13] RUN dnf install -y which
=> [ 5/13] RUN dnf install -y perl
=> [ 6/13] WORKDIR /var/www/cgi-bin
=> [ 7/13] COPY counter.pl counter.pl
=> [ 8/13] COPY counter.txt counter.txt
=> [ 9/13] RUN chown apache:apache counter.pl counter.txt
=> [10/13] WORKDIR /var/www/html
=> [11/13] COPY AndialySokone.jpg AndialySokone.jpg
=> [12/13] COPY index.html index.html
=> [13/13] RUN chown apache:apache index.html AndialySokone.jpg
=> exporting to image
=> => exporting layers
=> => writing image sha256:a1042869ca14e8ada126d6860a6e8cd6e79802f06e9290be97391c07cf73a507
=> => naming to docker.io/library/myweb

Deployment

$ docker images | egrep "REPOSITORY|myweb"

REPOSITORY TAG IMAGE ID CREATED SIZE

myweb latest 68b37e3ce0a4 43 seconds ago 71.3MB

Let us check if the port 8080 is in use in this localhost

$ curl localhost:8080/

curl: (7) Failed to connect to localhost port 8080: Connection refused

The port 8080 is not in use let us proceed and create our container name myfristweb using the image we just create myweb

$ docker run --name myfirstweb -dit -p 8080:80 myweb

fbfa6491c341a2b08f212249ea3d65ca21cdc4b69635ca52ab9a8e84268736e7

$ docker container ps -a | grep myweb

fbfa6491c341 myweb "/bin/sh -c 'python …" 3 minutes ago Up 2 minutes 0.0.0.0:8080->80/tcp, :::8080->80/tcp myfirstweb

Docker Hub Login

We supposed that you have created already an account at https://hub.docker.com/

$ docker login

Authenticating with existing credentials...

WARNING! Your password will be stored unencrypted in /root/.docker/config.json.

Configure a credential helper to remove this warning. See https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded

Accessing the deployment

$ curl http://localhost:8080/

<title>This is Andialy's First Webpage</title>

---

                        

Hello!
I am  Andialy Sokone 
This is my first Web Site built on docker container using perl as CGI counter
See how easy docker is !!

                        
                        

Cleaning up

$ docker container stop myfirstweb

myfirstweb

$ docker container rm myfirstweb

myfirstweb

$ docker image rm myweb

Verifying if things are cleaned

$ docker container ps -a | grep myfirstweb