|
- docker - Dockerfile if else condition with external arguments - Stack . . .
There is an interesting alternative to the proposed solutions, that works with a single Dockerfile, require only a single call to docker build per conditional build and avoids bash Solution: The following Dockerfile solves that problem
- How do I get into a Docker containers shell? - Stack Overflow
If you're specifically using docker compose, there is a convenience docker compose exec command that works very much like the docker exec command, except: It defaults to the behavior of -i and -t It allows you to refer to containers by their service name in your compose yaml file
- Exploring Docker containers file system - Stack Overflow
docker create <image> # returns container ID the container is never started docker cp <container ID>:<source_path> <destination_path> docker rm <container ID> cd <destination_path> ls -lsah see docker exec documentation
- Configuring Docker to not use the 172. 17. 0. 0 range - Server Fault
However it is still only created at docker swarm init time, so if you need to change it later, you'll need to shut down swarm mode entirely with docker swarm leave -f; delete the network with docker network rm docker_gwbridge; and then re-create swarm mode either with docker swarm init (for a local 1-node swarm) or docker swarm join –
- How to list containers in Docker - Stack Overflow
docker stack ls docker service ls docker image ls docker container ls Teaching the aliases first is confusing Once you understand what's going on, they can save some keystrokes: docker images -> docker image ls docker ps -> docker container ls docker rmi -> docker image rm docker rm -> docker container rm There are several aliases in Docker
- How is Docker different from a virtual machine? - Stack Overflow
Docker is just a fancy way to run a process, not a virtual machine Now, let me explain a bit more about what that means Virtual machines are their own beast I feel like explaining what Docker is will help you understand this more than explaining what a virtual machine is Especially because there are many fine answers here telling you
- How do I pass environment variables to Docker containers?
docker run -it --rm -p 8080:80 imagename --env-file env list Fix docker run --env-file env list -it --rm -p 8080:80 imagename The reason this is the case is because the docker run command has the below signature You can see that the options come before the image name Image name feels like an option but it is a parameter to the run command
- docker - What is the difference between the COPY and ADD commands . . .
Docker’s official documentation notes that COPY should always be the go-to instruction as it is more transparent than ADD If you need to copy from the local build context into a container, stick to using COPY The Docker team also strongly discourages using ADD to download and copy a package from a URL
|
|
|