Docker Weiterbildung - Rainer Stropek

docker info
docker run -it --rm ubuntu  (1) (2)

// Set environment variable (secure by default)
export DOCKER_HOST=tcp://40.68.81.114:2375
docker info
docker ps

docker ps
docker ps -a
docker ps --no-trunc
docker run -it --rm --name my-ubuntu ubuntu
docker attach my-ubuntu # wenn man eine interaktive shell schließt, kann man wieder darauf connecten
docker container list
docker container ls
docker container ls -a
docker rm <container-id>
docker rm my-ubuntu
docker rm -f my-ubuntu # löscht einen laufenden Container
docker top
docker run -d --name my-timer ubuntu /bin/bash -c "while true; do date; sleep 1; done"
docker inspect network

version: "3.8"
services:
  pg-db:
    image: postgres
    environment:
      POSTGRES_PASSWORD: secret

  pg-admin:
    image: dpage/pgadmin4
    environment:
      PGADMIN_DEFAULT_EMAIL: admin@demo.com
      PGADMIN_DEFAULT_PASSWORD: secret
      PGADMIN_LISTEN_PORT: 80
    ports:
      - "8080:80"
    links:
      - "pg-db:pg-db"

docker run -d \
           -e POSTGRES_PASSWORD=secret \
           -e PGDATA=/pgdata \
           --net pg-net \
           -v ${PWD}/pgdata:/pgdata \
           --name pg-db postgres

docker volume create dbstore

docker run -d \
           -e POSTGRES_PASSWORD=secret \
           -e PGDATA=/dbdata \
           --mount 'type=volume,src=dbstore,dst=/dbdata' \
           --name pg-db \
           postgres

docker run --rm \
           --mount 'type=volume,src=dbstore,dst=/dbdata' \
           -w /dbdata ubuntu /bin/bash -c "ls -la"

docker run --rm \
           --mount 'type=volume,src=dbstore,dst=/dbdata' \
             --mount 'type=bind,src=/home/rainer/backup,dst=/backup' \
	         ubuntu tar cvf /backup/backup.tar /dbdata
           -w /dbdata ubuntu /bin/bash -c "ls -la"

docker run --rm \
  --mount 'type=volume,src=dbstore,dst=/dbdata' \
  --mount 'type=bind,src=/tmp/backup,dst=/backup' \
	ubuntu tar cvf /backup/backup.tar /dbdata

ls –la /tmp/backup/

docker images
docker run -it ubuntu  (1)
echo hallo > greet.txt
exit
docker ps -a (2)

mkdir docker-node-express
docker run --rm -v ${PWD}:/app -w /app node npm init -y
docker run --rm -v ${PWD}:/app -w /app node npm install express hbs (1)
docker run --rm -v ${PWD}:/app -w /app node npm install -D @types/express copyfiles typescript
docker run --rm -v ${PWD}:/app -w /app node npx tsc --init

node_modules/
dist/

docker run --rm -v ${PWD}:/app -w /app node npm run build
docker run --rm -v ${PWD}:/app -p 8080:8080 -w /app node npm start

FROM node
WORKDIR /app
COPY . .
RUN npm install && npm run build

docker build -t myexpress .

version: "3.8"
services:
  backend:
    build: ./backend
    ports:
      - "8081:80"
    networks:
      - mynet
  frontend:
    build: ./frontend
    networks:
      - mynet
  proxy:
    build: ./proxy
    networks:
      - mynet
    ports:
      - "8080:80"
networks:
  mynet:
    driver: bridge

events {
}
http {
    upstream ui {
        server frontend;
    }
    upstream api {
        server backend;
    }

    server {
        listen 80;

        location /api {
            proxy_pass http://api;
        }
        location / {
            proxy_pass http://ui;
        }
    }
}