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gophry/Docker Basic Install

Last active July 5, 2019 07:58
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Docker - Custom Setup/CENTOS
Raw
Docker Basic Install
1. Linux user Group - Create a docker Group
groupadd docker
wget https://get.docker.com/builds/Linux/x86_64/docker-latest -O docker
chmod +x docker
Move the docker file to mv docker /usr/bin/
gpasswd -a admin docker {admin can be any of your docker admin users}
2. Folder Structure
sudo mkdir -p /docker/var/lib
sudo chown root:docker -R /docker/
/*this folder stores images and docker binary creates a list of folders for its purposes. Mounting the files on a seperate disk or partition is recommended */
3. Bridge Interface
a. create a file for bridge interface configuration /etc/sysconfig/network-scripts/ifcfg-bridge0
b. place the following configuration in the file:
DEVICE=bridge0
TYPE=Bridge
BOOTPROTO=static
IPADDR=10.20.20.1
NETMASK=255.255.255.0
ONBOOT=yes
STP=no
4. Docker Daemon
sudo docker -d -b bridge0 --dns="8.8.8.8" --group="docker" --graph="/docker/var/lib" --selinux-enabled=false
5. Docker Systemd - docker.service
A. create docker.service file on the following path /usr/lib/systemd/system/
Copy the following:
*****************************************************
[Unit]
Description=Docker Application Container Engine
Documentation=http://docs.docker.com
After=network.target
[Service]
Type=notify
ExecStart=/usr/bin/docker -d -b bridge0 --dns="8.8.8.8" --group="docker" --graph="/docker/var/lib" --selinux-enabled=false
LimitNOFILE=1048576
LimitNPROC=1048576
MountFlags=private
[Install]
WantedBy=multi-user.target
*****************************************************
B. Enable and the start service
sudo systemctl enable docker.service
sudo systemctl start docker.service
C. Test the connectivity to the daemon
docker version
docker pull centos
docker images
Raw
jboss-mysql-apache Docker container
1. Docker Base Images - Centos/Ubuntu as required.
a. docker pull centos
b. docker pull ubuntu
2. Docker Containers - Basic
a. Hard Disk Space:
b. Networking Bind to bridge:
c. RAM:
d. Base Host mount point:
3. Docker Containers - Application
a. OPEN-JDK
b. JBOSS Wildfly
c. LAMP Stack
4. Exposing services
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