Docker spustit příkaz na kontejneru
sudo docker exec -it <container name> <command>
spustit docker
docker run -d -p 80:80 docker/getting-started
jak spustit 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 . .
příklad dockerfile
FROM ubuntu:18.04
COPY . /app
RUN make /app
CMD python /app/app.py
Spustit docker v docker
RUN apt-get update \
&& apt-get install apt-transport-https ca-certificates \
&& echo "deb https://apt.dockerproject.org/repo debian-jessie main" > /etc/apt/sources.list.d/docker.list \
&& apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D \
&& apt-get update \
&& apt-get install -y docker-engine