FROM node:latest
RUN mkdir -p /var/www/app
WORKDIR /var/www/app
COPY package*.json ./
RUN npm install && npm cache clean --force
ENV PATH=/var/www/app/node_modules/.bin:$PATH
RUN mkdir -p /var/www/app/src
WORKDIR /var/www/app/src
COPY src .
Create a docker-compose.yml
version: "3.2"
services:
db:
image: mysql:5.7 # instructs Docker that the db service is going to use a MySQL image version 5.7
volumes:
# db_data is a name we set for the /var/lib/mysql path (We can change db_data to whatever)
# that we can then use to share data between two or more services.
- db_data:/var/lib/mysql
# this is a way for us to auto IMPORT a .sql file to the database in your MySQL container
# it auto imports the db.sql file in the mysql-dump folder
- ./mysql-dump:/docker-entrypoint-initdb.d
restart: always
environment: # It creates the MySQL credentials for us, as well as a database called hh. This is the credential you'll need in order for your express app to communicate with the MySQL service.
MYSQL_ROOT_PASSWORD: password
MYSQL_DATABASE: hh
ports:
# Private port for MySQL is 3306 and Public port is 3307. To connect to our MySQL container using Workbench, we use port 3307
- 3307:3306
web_app:
depends_on: # This will tell Docker to start services in dependency order. In this example, before starting the app service, it waits for db to be started.
- db
build: ./
volumes:
# This maps our host project files to our container's WORKDIR. Whatever changes we make to our local copy, will reflect those changes in WORKDIR.
- ./src:/var/www/app/src
- ./package.json:/var/www/app/package.json
command: npm start
restart: always
ports:
- 3001:3000
volumes: # it means that that specified volume (in this case, db_data) is available to all services (both app and db).
db_data: {}
