How to rebuild docker container in docker-compose.yml?
docker-compose up $ docker-compose up -d –no-deps –build <service_name> –no-deps – Don’t start linked services. –build – Build images before starting containers.
docker
COPY with docker but with exclusion
Create file .dockerignore in your docker build context directory (so in this case, most likely a directory that is a parent to node_modules) with one line in it: **/node_modules although you probably just want: node_modules Info about dockerignore: https://docs.docker.com/engine/reference/builder/#dockerignore-file
How to get the IP address of the docker host from inside a docker container [duplicate]
/sbin/ip route|awk ‘/default/ { print $3 }’ As @MichaelNeale noticed, there is no sense to use this method in Dockerfile (except when we need this IP during build time only), because this IP will be hardcoded during build time.
Communication between multiple docker-compose projects
You just need to make sure that the containers you want to talk to each other are on the same network. Networks are a first-class docker construct, and not specific to compose. # front/docker-compose.yml version: ‘2’ services: front: … networks: – some-net networks: some-net: driver: bridge … # api/docker-compose.yml version: ‘2’ services: api: … networks: … Read more
Docker container will automatically stop after “docker run -d”
The centos dockerfile has a default command bash. That means, when run in background (-d), the shell exits immediately. Update 2017 More recent versions of docker authorize to run a container both in detached mode and in foreground mode (-t, -i or -it) In that case, you don’t need any additional command and this is … Read more
How to set image name in Dockerfile?
How to build an image with custom name without using yml file: docker build -t image_name . How to run a container with custom name: docker run -d –name container_name image_name
How to restart a single container with docker-compose
It is very simple: Use the command: docker-compose restart worker You can set the time to wait for stop before killing the container (in seconds) docker-compose restart -t 30 worker Note that this will restart the container but without rebuilding it. If you want to apply your changes and then restart, take a look at … Read more
Docker Compose wait for container X before starting Y
Finally found a solution with a docker-compose method. Since docker-compose file format 2.1 you can define healthchecks. I did it in a example project you need to install at least docker 1.12.0+. I also needed to extend the rabbitmq-management Dockerfile, because curl isn’t installed on the official image. Now I test if the management page … Read more
Copy directory to another directory using ADD command
ADD go /usr/local/ will copy the contents of your local go directory in the /usr/local/ directory of your docker image. To copy the go directory itself in /usr/local/ use: ADD go /usr/local/go or COPY go /usr/local/go
How do you attach and detach from Docker’s process?
To detach the tty without exiting the shell, use the escape sequence Ctrl+P followed by Ctrl+Q. More details here. Additional info from this source: docker run -t -i → can be detached with ^P^Qand reattached with docker attach docker run -i → cannot be detached with ^P^Q; will disrupt stdin docker run → cannot be … Read more