docker

## Gain Bash Access to Running Container
docker exec -it {containerId} /bin/bash

## Build Docker Image (in directory with Dockerfile)
docker build -t {imageName} .

## Run docker container with port forwarding to host 
## (port 8080 on the container will be exposed on port 8888 on the host)
docker run -p 127.0.0.1:8888:8080 {imageName}

# Remove all stopped containers
docker rm $(docker ps -a -q)

# Remove all <none> images
docker rmi $(docker images -f "dangling=true" -q)

# Docker Compose Example (docker-compose.yml)
version: '3'
services:
  postgres:
    image: postgres
    ports:
      - "5444:5432"
    volumes:
      - ./volumes/postgresql-data:/var/lib/postgresql/data
  redis:
    image: redis
    ports:
      - "6379:6379"
  mongo:
    image: mongo
    ports:
      - "27017:27017"
    volumes:
          - ./volumes/mongo-data:/data/db