~siegfriedehret/nodejs200

be030e82c93890b9c4362b6fe75f9cdfe586d5dd — Siegfried Ehret 5 years ago 31b5915 feature/project project-12-solution
:gift: step12 solution
3 files changed, 65 insertions(+), 14 deletions(-)

A 06_project/Dockerfile
M 06_project/docker-compose.yml
M 06_project/index.js
A 06_project/Dockerfile => 06_project/Dockerfile +17 -0
@@ 0,0 1,17 @@
FROM node:10

RUN mkdir /src
WORKDIR /src

COPY package.json package-lock.json /src/
RUN mkdir lib/ \
    && npm install --silent --production

COPY index.js /src/
COPY lib /src/lib/

ENV NODE_ENV development

EXPOSE 3000

CMD ["npm", "start"]

M 06_project/docker-compose.yml => 06_project/docker-compose.yml +16 -1
@@ 1,6 1,16 @@
version: '3.1'
version: '3'

services:
  todos:
    build: .
    ports:
      - "3000:3000"
    environment:
      - DATABASE_HOST=mongo
    depends_on:
      - mongo
    networks:
      - api

  mongo:
    image: mongo


@@ 11,3 21,8 @@ services:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: example
      MONGO_INITDB_DATABASE: tododb
    networks:
      - api

networks:
  api:

M 06_project/index.js => 06_project/index.js +32 -13
@@ 2,28 2,47 @@ const MongoClient = require("mongodb").MongoClient;

const {
  MONGO_INITDB_ROOT_PASSWORD = "example",
  MONGO_INITDB_ROOT_USERNAME = "root"
  MONGO_INITDB_ROOT_USERNAME = "root",
  DATABASE_HOST = "localhost",
  DATABASE_PORT = 27017
} = process.env;

const index = require("./lib/app");

const log = require("./lib/logger")();

const url = `mongodb://${MONGO_INITDB_ROOT_USERNAME}:${MONGO_INITDB_ROOT_PASSWORD}@localhost:27017`;
const url = `mongodb://${MONGO_INITDB_ROOT_USERNAME}:${MONGO_INITDB_ROOT_PASSWORD}@${DATABASE_HOST}:${DATABASE_PORT}`;

const { MONGO_INITDB_DATABASE = "tododb", TODO_PORT = 3000 } = process.env;

MongoClient.connect(
  url,
  function(err, client) {
    if (err) {
      log.error({ err }, "Error while connecting to DB");
const connect = () => {
  MongoClient.connect(
    url,
    function(err, client) {
      if (err) {
        log.error({ err }, "Error while connecting to DB");
      } else if (!client) {
        log.error("Failed to get client, retrying...");
      } else {
        clearInterval(interval);
        clearTimeout(timeout);

        const db = client.db(MONGO_INITDB_DATABASE);

        index(db).listen(TODO_PORT, () => {
          log.info(`Example index listening on port ${TODO_PORT}!`);
        });
      }
    }
  );
};

    const db = client.db(MONGO_INITDB_DATABASE);
const interval = setInterval(connect, 1000);

    index(db).listen(TODO_PORT, () => {
      log.info(`Example index listening on port ${TODO_PORT}!`);
    });
  }
);
const timeout = setTimeout(() => {
  clearInterval(interval);

  log.error("Failed to connect to database!");

  process.exit(1);
}, 5000);