docker build
docker build -t [tag] .docker build from dockerfile
$ docker build - < Dockerfilehow to create docker image from custom filename
cat DockerFile.debian.foo | docker build -t debian.foo -how run dockerfile
# 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 . .docker build specify dockerfile
docker build -t [name] -f [Dockerfile]Simple Dockerfile
docker build -t springio/gs-spring-boot-docker .CopyCopyright © 2021 Codeinu
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