N1NJ10

Docker

Resources

Commands

  • Installing 
    # Debian
sudo apt update && sudo apt install -y docker.io && sudo systemctl enable docker --now && docker -v # Not all features 
# Debian All features
wget https://desktop.docker.com/linux/main/amd64/docker-desktop-amd64.deb
install -m 0755 -d /etc/apt/keyrings curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg chmod a+r /etc/apt/keyrings/docker.gpg
echo \ "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \ bookworm stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
apt-get update
apt-get install ./docker-desktop-amd64.deb
systemctl --user start docker-desktop
 
# Ubuntu
sudo snap install docker
  • series
    • Info 
      docker info
 
docker inspect node:latest
 
service docker status
 
docker history ddd-book:ch8.node # image history
    • Login 
      docker login -u fake
    • Version 
      docker --version # the docker verison
docker version # client and server (daemon) versions of apps
    • Images 
      docker images # List
 
docker pull ubuntu:latest # Downlaod (It assumed you wanted to pull the image tagged as latest if not provided any tags ) (It assumed you wanted to pull the image from Docker Hub)
docker pull mongo:7.0.5
docker pull alpine
docker pull ghcr.io/regclient/regsync:latest # Unofficial
 
docker run --name test -it ubuntu:latest bash # Running
docker inspect node:latest
 
docker images --digests
docker buildx imagetools inspect nigelpoulton/k8sbook:latest # archticture , digest , ... 
docker pull nigelpoulton/k8sbook@sha256:7e951c20052ed7fc3fb84daaa7063e0358a12f51eca376d9d9c9c0432b616190
curl "https://hub.docker.com/v2/repositories/nigelpoulton/k8sbook/tags/?name=latest" |jq '.results[].digest' # Kowing the digest 
 
docker manifest inspect alpine | grep 'architecture\|os' # mainfests 
 
docker rmi redis:latest # delete image (Will not delete the shared layers )
    • Containers 
      # From image 
docker ps [-a] # List [all] 
docker start test # start container 
docker stop test # stop
docker rm test # Deleting
docker run -d --name ctr1 nginx # run if the images downloaed if not will download and run 
docker run -d --name webserver -p 5005:8080 nigelpoulton/ddd-book:web0.1 # for ports LOCAL:CONTAINER
docker run --name ddd-ctr -it ubuntu:24.04 bash # run and bash
# From github
git clone https://github.com/nigelpoulton/psweb.git
docker build -t test:latest .
docker images 
docker run -d --name web1 --publish 8080:8080 test:latest
docker port web1 # port mapping 
docker rm web1 -f # deleting 
 
docker exec -it webserver sh # Interactive Shell
docker exec webserver ps # non Interactive (RCE)
docker stop webserver # stop
docker restart webserver # restart
docker attach webserver # make ur terminal is the container terminal
      • Configrations 
        docker inspect nigelpoulton/ddd-book:web0.1 | grep Entrypoint -A 3 # Is there Entrypoint instruction
docker run --rm -d alpine sleep 20 # CMD
docker inspect webserver # show the inspect
  • Dockerfile 
    git clone https://github.com/nigelpoulton/ddd-book.git
docker init # To build the Dockerfile (Note: only in desktop version)
docker build -t ddd-book:ch8.node . # Building
docker tag ddd-book:ch8.node fake/ddd-book:ch8.node # Retagging Before uploading 
docker push fake/ddd-book:ch8.node # Don't forget the tag (Deafult is latest)
 
docker run -d --name c1 -p 5005:8080 fake/ddd-book:ch8.node # run it remotly
 
docker history ddd-book:ch8.node # History to create
 
# Multi stage 
docker build -t multi:client --target prod-client -f Dockerfile-final .
docker build -t multi:server --target prod-server -f Dockerfile-final .
    • Stage Example 
      FROM golang:1.22.1-alpine AS base
 
WORKDIR /src
 
COPY go.mod go.sum .
 
RUN go mod download
 
COPY . .
 
FROM base AS build-client
 
RUN go build -o /bin/client ./cmd/client
 
FROM base AS build-server
 
RUN go build -o /bin/server ./cmd/server
 
FROM scratch AS prod
 
COPY --from=build-client /bin/client /bin/
 
COPY --from=build-server /bin/server /bin/
 
ENTRYPOINT [ "/bin/server" ]
    • Multi Stage Example 
      FROM golang:1.20-alpine AS base
 
WORKDIR /src
 
COPY go.mod go.sum .
 
RUN go mod download
 
COPY . .
 
FROM base AS build-client
 
RUN go build -o /bin/client ./cmd/client
 
FROM base AS build-server
 
RUN go build -o /bin/server ./cmd/server
 
FROM scratch AS prod-client
 
COPY --from=build-client /bin/client /bin/
 
ENTRYPOINT [ "/bin/client" ]
 
FROM scratch AS prod-server
 
COPY --from=build-server /bin/server /bin/
 
ENTRYPOINT [ "/bin/server" ]
  • Compose 
    docker compose version
docker compose up & # build from the docker compose file 
docker compose -f apps/ddd-book/sample-app.yml up & # you can specify the target file also 
docker compose up -d # run them 
docker network ls # networks
docker volume ls # volume 
docker compose down # down the compose project 
docker compose ps  # status
docker compose top # list the processes inside each container
docker compose stop # Stop the Compose project 
docker compose restart # Restart the Compose project 
docker compose down --volumes --rmi all # delete all the project with the voulume
  • Tips & Tricks 
    docker rmi -f $(docker images -q) # Delete all images 
docker rm -f $(docker ps -a -q) # run all containers 
docker rm -f $(docker ps -a -q) && docker rmi -f $(docker images -q)
docker cp ubuntu:/RedisModules-ExecuteCommand/module.so . # Copy

Notes

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