kind - local Kubernetes cluster using Docker container nodes

My environment Pop!_OS $ uname -a Linux system76 5.11.0-7620-generic #21~1624379747~20.10~3abeff8-Ubuntu SMP Wed Jun 23 02:23:59 UTC x86_64 x86_64 x86_64 GNU/Linux Set up pre-requirements for kind Install latest Go cd /usr/local/src sudo curl -L -O tar -C /usr/local -xzf go1.16.5.linux-amd64.tar.gz export PATH=$PATH:/usr/local/go/bin /etc/profile PATH=/usr/local/go/bin:$PATH Rootless Docker Refer to my post. Install kubectl sudo apt install -y apt-transport-https ca-certificates curl sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.

Rootless Docker

My environment Pop!_OS $ uname -a Linux system76 5.11.0-7620-generic #21~1624379747~20.10~3abeff8-Ubuntu SMP Wed Jun 23 02:23:59 UTC x86_64 x86_64 x86_64 GNU/Linux Configure rootless Docker $ install [ERROR] Missing system requirements. Run the following commands to [ERROR] install the requirements and run this tool again. ########## BEGIN ########## sudo sh -eux <<EOF # Install newuidmap & newgidmap binaries apt-get install -y uidmap EOF ########## END ########## OK… Run the command above and try again.

GitLab on Docker

Install GitLab running on Docker Here is the official document. I followed it. Caution: I’m using my GitLab on VM, not Docker image. Because the official image doesn’t contain e-mail client, and it is a little bit hard to understand. For me, deploying it on premise or VM is easy. Install docker apt install -y Set path export GITLAB_HOME=/srv/gitlab Configurations and repositories would be stored in this path. Run a container sudo docker run --detach \ --hostname {{ your_hostname }} \ --publish 443:443 --publish 80:80 --publish 2222:22 \ --name gitlab \ --restart always \ --volume $GITLAB_HOME/config:/etc/gitlab \ --volume $GITLAB_HOME/logs:/var/log/gitlab \ --volume $GITLAB_HOME/data:/var/opt/gitlab \ gitlab/gitlab-ce:latest I changed git port to 2222 because the server should be access by ssh.

Docker network

Check your network When you deploy your docker container with port mapping, the network is automatically generated and the container assigned its own network. atlex@ ~ % docker network ls NETWORK ID NAME DRIVER SCOPEea37d3b97d11 bridge bridge local01573b79ea81 host host local85b9bca4df78 none null local0abac39fbea3 dockerfiletest bridge local`Details atlex@ ~ % docker network inspect dockerfiletest[ { "Name": "dockerfiletest_default", "Id": "0abac39fbea3f9fd55c1bf9ce1288b5623b3905c3ebd2ff9e60393bab8357a24", "Created": "2020-04-15T15:52:24.875480173Z", "Scope": "local", "Driver": "bridge", "EnableIPv6": false, "IPAM": { "Driver": "default", "Options": null, "Config": [ { "Subnet": "172.


Terminology context: A build’s context is the set of files located in the specified PATH or URL1. Dockerfile sample FROMubuntu:20.04ENV TZ=America/Los_AngelesRUN mkdir -p /home/my_userCOPY ./files/in_home /home/my_user/in_homeARG DEBIAN_FRONTEND=noninteractive RUN apt update && apt upgrade -yRUN apt install -y nginx phpCOPY ./files/nginx/my.conf /etc/nginx/sites-available/my.confRUN ln -s /etc/nginx/sites-available/my.conf /etc/nginx/sites-enabled/my.confCMD ["nginx", "-g", "daemon off;"]Here is the context. . ├── Dockerfile └── files ├── in_home(dir) └── nginx └── my.conf Exec the commands below and run

Docker - intro

Install macOS Environment: macOS 10.15.3 (Intel chip), Mar. 2020. Installing Docker in macOS, the official document seems to recommend installing Docker Desktop with the installer. I don’t need desktop function so far, but this is not so critical when I learn Docker. And it is the easiest way to install Docker CLI in macOS. If you don’t have DockerID, please make it first. Related official Documents: https://hub.