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Książkę mam w d:\Books\Tech\Docker Up & Running.pdf

Cheetsheet

  • docker container ls /docker ps/docker container ps
  • docker container stop b7145e06083f / docker stop
  • docker image ls

Docker-node-hello1

  • każda linia tworzy nową warstwę obrazu

  • labelki - nie bardzo wiem do czego są

  • USER - użytkownik na którym będą wykonywane komendy

  • ENV - enviroment variables

  • RUN

  • COPY - zazwyczaj do kopiowania kodu, w tych linijkach korzystam z wcześniej zdefiniowanych ENV

  • WORKDIR - ustawia directory

  • Supervisor - on ma zarządzać restartami strony

FROM docker.io/node:18.13.0

ARG email="anna@example.com"
LABEL "maintainer"=$email
LABEL "rating"="Five Stars" "class"="First Class"

USER root

ENV AP /data/app
ENV SCPATH /etc/supervisor/conf.d

RUN apt-get -y update

# The daemons
RUN apt-get -y install supervisor
RUN mkdir -p /var/log/supervisor

# Supervisor Configuration
COPY ./supervisord/conf.d/* $SCPATH/

# Application Code
COPY *.js* $AP/

WORKDIR $AP

RUN npm install

CMD ["supervisord", "-n"]
  • --buid-arg - nadpisuje dane w dockerfile
docker image build -t pwlearning1/docker-node-hello:latest .

docker image build --build-arg email=pwujczyk@gmail.co -t pwlearning1/docker-node-hello:latest .

docker inspect example/docker-node-hello:latest | grep 
maintainer

run te image with

  • pwlearning1/docker-node-hello:latest tag
  • on port 6089
  • --env pozwala na dodanie envów
docker container run --rm -d -p 6089:6080 pwlearning1/docker-node-hello:latest

docker container run --rm -d -p 6088:6080 --env WHO="kasia" pwlearning1/docker-node-hello:latest
curl 0.0.0.0:6089

Docker Hub

sudo docker login
sudo docker image build -t docker.io/pwujczyk/docker-node-hello:latest .
sudo docker image ls pwujczyk/docker-node-hello
sudo docker image push pwujczyk/docker-node-hello:latest
docker image pull ${<myuser>}/docker-node-hello:latest

https://hub.docker.com/u/pwujczyk

strona 80

cheetsheet

docker ps -a
docker ps -q - id of the running containers
docker ps -aq -ids of all the running and exited conteires
docker start $(docker ps -aq)

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