# Docker, TypeScript, Node.js

## Preconditions:
- TS application listening port: 7777

```
|-- dist
|-- src
|-- .dockerignore
|-- Dockerfile
|-- package.json
|-- package-lock.json
`-- tsconfig.json
```

`package.json` scripts
```
"scripts": {
  "build": "tsc",
  "start": "node ./dist/main.js"
}
```

## Dockerfile

```
FROM node:10-alpine

# update packages
RUN apk update

# create root application folder
WORKDIR /app

# copy configs to /app folder
COPY package*.json ./
COPY tsconfig.json ./
# copy source code to /app/src folder
COPY src /app/src

# check files list
RUN ls -a

RUN npm install
RUN npm run build

EXPOSE 7777

CMD [ "node", "./dist/main.js" ]
```

## Docker commands

### Images

Build docker image
```
docker build -t test-image-name .
```

Run image in interactive mode
```
docker run -it -p 7777:7777 test-image-name
```

Or run image in silent(daemon) mode
```
docker run -d -p 7777:7777 test-image-name
```
List all images
```
docker image ls
```

Remove all images at once
```
docker rmi $(docker images -q)
```

### Containers

List all active containers
```
docker ps
```

List all active and dead containers
```
docker ps -a
```

Stop all running containers
```
docker stop $(docker ps -a -q)
```

Delete all stopped containers: 
```
docker rm $(docker ps -a -q)
```

Jump into container shell
```
docker exec -it CONTAINER_ID /bin/sh
```