What is the different between the docker file and the docker compose file?

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Accepted Answer

Dockerfile is used to build a Docker image, while Docker Compose is used to define and run multi-container Docker applications.

Dockerfile is a script that contains instructions to build a Docker image.
Docker Compose is a YAML file that defines a multi-container Docker application.
Dockerfile is used to create a single container, while Docker Compose is used to create and manage multiple containers.
Dockerfile is used to specify the base image, add dependencies, and configure the container, while Docker Compose is used to define the services, networks, and volumes for the application.
Example: Dockerfile - FROM node:12.18.3-alpine, RUN npm install, COPY . /app, CMD ["npm", "start"]
Example: Docker Compose - version: '3', services: web: build: ., ports: - "3000:3000", volumes: - .:/app

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