version: '3'

services:

web:

# build: .

# Build using this path, and we get error as described below

# Creating network "frontend_default" with the default driver

# Building web

# ERROR: Cannot locate specified Dockerfile: Dockerfile

build:

context: . # Setup context of, where are we building from ?

dockerfile: Dockerfile.dev # Which docker file to use to build the image

ports:

- "3000:3000" # Map port outside the container: to inside the container

volumes:

- /app/node_modules # Bring this volume to the container

- .:/app # Map "." outside the container as a volume to within the container at "/app" location

tests:

build:

context: . # Setup context of, where are we building from ?

dockerfile: Dockerfile.dev # Which docker file to use to build the image

volumes:

- /app/node_modules # Bring this volume to the container

- .:/app # Map "." outside the container as a volume to within the container at "/app" location

command: ["npm", "run", "test"]