1 Inštalácia
- 1.1 Linux
- 1.2 Windows
2 Prihlásenie a stiahnutie z privátneho repozitáru
3 Nastavenie Docker compose s NAE
4 Vytvorenie vlastného docker image
5 Databázy na vývoj
6 Spustenie

Inštalácia

Linux

0. Ak mame starú verziu tak treba odinštalovať

sudo apt-get remove docker docker-engine docker.io containerd runc

Inštalácia Docker
Príprava pred inštaláciou

sudo apt-get update

sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

Pridanie GPG kľúča

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

Overenie kľúča

sudo apt-key fingerprint 0EBFCD88

pub   rsa4096 2017-02-22 [SCEA]
      9DC8 5822 9FC7 DD38 854A  E2D8 8D81 803C 0EBF CD88
uid           [ unknown] Docker Release (CE deb) <docker@docker.com>
sub   rsa4096 2017-02-22 [S]

Pridanie repositora do apt

sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

Inštalácia

sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
sudo apt-cache madison docker-ce

Viac info na Ubuntu

Windows

Stiahneme si Docker Desktop na stránke:
https://hub.docker.com/editions/community/docker-ce-desktop-windows/
Potrebne mat nainštalované WSL
https://docs.microsoft.com/en-us/windows/wsl/install-win10

Prihlásenie a stiahnutie z privátneho repozitáru

Pre sťahovanie docker image z privátneho repozitára je možné použiť tieto príkazy:

sudo docker login -u MAIL -pHESLO <adresa na privátny docker register>
sudo docker pull <private docker register>/REPO:TAG
sudo docker images

(vo windowse bez “sudo”)

Nastavenie Docker compose s NAE

Vytvoríme si súbor s názvom docker-compose.yml

version: "3.3"

services:
  mysql-service:                        <-- nazov servise
    build:                              <-- build z Dockerfilu potom zanedbava image hodnotu
      context: ./                 
      dockerfile: Dockerfile              
    image: mysql:5.7                    <-- definicia docker imagu
    command: []                         <-- Prikazy namiesto medzery dat "Ahoj","svet"
    ports
      - 80:8080                         <-- Host:Container Port
    environment:                        <-- Enviroment 
      MYSQL_ROOT_PASSWORD: secret       <-- kluc:hodnota
    depends_on:                         <-- potrebuje pole
      - docker-mongo                    <-- nazov service

Príklad na Engine

docker-compose.yml

version: "3.3"

services:
  #  front:
  #    image: demo:4.3.0
  #    ports:
  #    - 80:80
  #    depends_on:
  #      - engine

  #  engine:
  #    build:
  #      context: ./
  #      dockerfile: Dockerfile
  #    image: engine:4.3.0
  #    ports:
  #      - 8080:8080
  #    depends_on:
  #      - docker-mysql
  #      - docker-mongo
  #      - docker-neo4j
  #      - docker-elastic
  #      - docker-redis

  docker-mysql:
    image: mysql:5.7
    healthcheck:
      test: "/usr/bin/mysql -u root -psecret -e \"show databases;\""
    command: [ 'mysqld', '--character-set-server=utf8mb4', '--collation-server=utf8mb4_unicode_ci' ]
    ports:
      - 3306:3306
    environment:
      MYSQL_ROOT_PASSWORD: secret
      MYSQL_DATABASE: DB_NAME
      MYSQL_USER: user
      MYSQL_PASSWORD: secret

  docker-mongo:
    image: mongo:4.2
    ports:
    - 27017:27017
#      environment:
#          MONGO_INITDB_ROOT_USERNAME: user
#          MONGO_INITDB_ROOT_PASSWORD: secret

  docker-neo4j:
    image: neo4j:3.5
    ports:
      - 7474:7474
    environment:
      NEO4J_AUTH: none

  docker-elastic:
    image: elasticsearch:6.8.15
    environment:
      - cluster.name=elasticsearch
      - discovery.type=single-node
    ports:
      - 9300:9300
      - 9200:9200

  docker-redis:
    image: redis:5
    ports:
      - 6379:6379

Vytvorenie vlastného docker image

Vytvoríme si súbor s názvom Dockerfile

Backend:

FROM openjdk:8-jdk
MAINTAINER <???>
RUN mkdir -p /src/main/
ARG JAR_FILE=target/*-exec.jar
ARG RESOURCE=src/main/resources
COPY ${RESOURCE} src/main/resources
COPY ${JAR_FILE} app.jar
ENTRYPOINT ["java","-jar","/app.jar"]

Frontend:

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

FROM nginx
MAINTAINER <???>
COPY ./nginx.conf /etc/nginx/nginx.conf
COPY --from=build /app/dist/*  /usr/share/nginx/html
EXPOSE 80
ENTRYPOINT ["nginx", "-g", "daemon off;"]

Databázy na vývoj

Príklad ako mať všetky databázy cez docker

version: "3.3"

services:  
  docker-mysql:
    image: mysql:5.7
    healthcheck:
      test: "/usr/bin/mysql -u root -psecret -e \"show databases;\""
    command: [ 'mysqld', '--character-set-server=utf8mb4', '--collation-server=utf8mb4_unicode_ci' ]
    ports:
      - 3306:3306
    environment:
      MYSQL_ROOT_PASSWORD: secret
      MYSQL_DATABASE: DB_NAME
      MYSQL_USER: user
      MYSQL_PASSWORD: secret

  docker-mongo:
    image: mongo:4.2
    ports:
    - 27017:27017
#      environment:
#          MONGO_INITDB_ROOT_USERNAME: user
#          MONGO_INITDB_ROOT_PASSWORD: secret

  docker-neo4j:
    image: neo4j:3.5
    ports:
      - 7474:7474
    environment:
      NEO4J_AUTH: none

  docker-elastic:
    image: elasticsearch:6.8.15
    environment:
      - cluster.name=elasticsearch
      - discovery.type=single-node
    ports:
      - 9300:9300
      - 9200:9200

  docker-redis:
    image: redis:5
    ports:
      - 6379:6379

Spustenie

pre spustenie buildu pomocou dockerfilu:

docker build -t <image_tag> . && docker run <image_tag>

a spustenie docker-compose

docker-compose up

Docker compose setup

Inštalácia

Linux

Windows

Prihlásenie a stiahnutie z privátneho repozitáru

Nastavenie Docker compose s NAE

Vytvorenie vlastného docker image

Databázy na vývoj

Spustenie