Dockerfile for Jenkins Container

I know that there’s an image available ready for Jenkins, but I’m trying to build a Dockerfile to run Jenkins in a container, as I’m still learning the fundamentals of Docker and Jenkins.

I tried to build a container image with Dockerfile, but there’s still something going missing. So far, this is what I got in my Dockerfile:

Dockerfile for creating an image called: jorgemauriciodev/dev-docker-ubuntu-v1:

# Image.
FROM ubuntu

# Update repository.
RUN apt-get update

# Set timezone.
RUN apt install tzdata -y
ENV TZ="America/New_York"

# Install softwares.

# wget.
RUN apt-get install wget - y
# gnupg.
RUN apt-get install -y gnupg

# Install jenkins.
RUN apt-get install default-jdk - y

# Install apache2.
RUN apt-get install apache2 - y

# Donwload package.
RUN wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | apt-key add -

#RUN sh -c 'echo deb http://pkg.jenkins-ci.org/debian binary/ > /etc/apt/sources.list.d/jenkins.list'
  #Outdated info.
RUN sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'

RUN apt-get update

RUN apt-get install jenkins –y

And my idea to run the image created with the Docker file, would be (CMD terminal):

sudo docker run -it -d -p 8080: 8080 jorgemauriciodev/ubuntu-docker-jenkins-dev-v1 bash

After up and running, my intention would be to access through a http address, like so: http://123.123.123.123:8080/

I think there are lines missing in the Dockerfile to initialize Jekins service, besides other details that because of my low experience with Docker and Jenkins, I don’t know about. Can anyone try to point me lines / configurations that are missing so I can get this going?