Докер създава образа
Примерен код
създаване на docker
docker create [options] IMAGE
-a, --attach # attach stdout/err
-i, --interactive # attach stdin (interactive)
-t, --tty # pseudo-tty
--name NAME # name your image
-p, --publish 5000:5000 # port map
--expose 5432 # expose a port to linked containers
-P, --publish-all # publish all ports
--link container:alias # linking
-v, --volume `pwd`:/app # mount (absolute paths needed)
-e, --env NAME=hello # env varsкак да стартирате 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 . .
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