Dockerfile 에서 명령 실행

코드 예제

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0

컨테이너에서 도커 실행 명령

sudo docker exec -it <container name> <command>
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dockerfile 을 실행하는 방법

# Use the official image as a parent image.
FROM node:current-slim

# Set the working directory.
WORKDIR /usr/src/app

# Copy the file from your host to your current location.
COPY package.json .

# Run the command inside your image filesystem.
RUN npm install

# Inform Docker that the container is listening on the specified port at runtime.
EXPOSE 8080

# Run the specified command within the container.
CMD [ "npm", "start" ]

# Copy the rest of your app's source code from your host to your image filesystem.
COPY . .
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도커 노출 포트

docker run -p [external]:[Internal]

#example (will open in localhost:8080 to container port 80)
docker run -p 8080:80
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도커 컨테이너 시작

$ docker start <container_id>
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dockerfile 실행 앱 cmd

RUN apt-get install python3
CMD echo "Hello world"
ENTRYPOINT echo "Hello world"

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