Hello World Deno (Docker)

README.md

• https://deno.land/#getting-started

TODO: no cache for Docker container build

$ deno --version                         
deno 1.0.0
v8 8.4.300
typescript 3.9.2

# run as root
docker build . -t deno
docker run --rm -v `pwd`:/code -it deno
docker run --rm -v `pwd`:/code -p 127.0.0.1:8100:8000 -it deno

# in the Docker container
deno --version
deno run script.ts
deno run https://deno.land/std/examples/welcome.ts
deno run --allow-net serve_web.ts

Dockerfile

FROM ubuntu:bionic
WORKDIR /code

RUN apt update && apt install -y curl unzip
RUN curl -fsSL https://deno.land/x/install/install.sh | sh
RUN echo "export PATH=\$HOME/.deno/bin:\$PATH" >> $HOME/.bashrc

serve_web.ts

import { serve } from "https://deno.land/std@0.50.0/http/server.ts";                                                

// http://localhost:8000/
const s = serve({ port: 8000, });

for await (const req of s) {
  req.respond({
    body: 'Hello Deno!\n',
  });
}

serve_web_utf8.ts

import { serve } from "https://deno.land/std@0.50.0/http/server.ts";                                                

// http://localhost:8000/
const s = serve({ port: 8000, });

for await (const req of s) {
  const headers = new Headers();
  headers.set('content-type', 'text/plain; charset=utf-8');

  req.respond({
    headers: headers,
    body: 'Hello 🍣!\n',
  });
}

welcome.ts

console.log('Hello 🍣!');