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- Dictionarycompose/kəmˈpəʊz/
verb
- 1. write or create (a work of art, especially music or poetry): "he composed the First Violin Sonata four years earlier" Similar
- 2. (of elements) constitute or make up (a whole, or a specified part of it): "the National Congress is composed of ten senators" Similar
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Jun 13, 2019 · Swarm and compose deployments are very different and your yml file is mostly invalid in both modes because you are mixing options from both modes. Please indicate what deployment method are you intending to use so you can get a proper answer (and add the docker-swarm tag and remove the docker-compose one depending what answer do you want)
networks: - mynetwork. When you run docker compose up -d (Note: in version 2 of Docker Compose you call the docker binary at not the docker-compose python application) and then inspect the resources you see that the memory is limited to 200 MB. The CPU limit is not exposed by docker stats. docker stats --no-stream.
Dec 1, 2016 · # Set the base image to Ubuntu FROM node:boron # File Author / Maintainer MAINTAINER Amin Shah Gilani <[email protected]> # Install nodemon RUN npm install -g nodemon # Add a /app volume VOLUME ["/app"] # TODO: link the current . to /app # Define working directory WORKDIR /app # Run npm install RUN npm install # Expose port EXPOSE 8080 # Run app using nodemon CMD ["nodemon", "/app/app.js"]
Suppose your environment variables are in a file 'env.sh'. Put the below piece of code in a sh file and run it. source env.sh. rm -f docker-compose.yml. envsubst < "template.yml" > "docker-compose.yml". A new file docker-compose.yml will be generated with the correct values of environment variables.
Aug 26, 2015 · Option 1: Hinting default image name. The name of the image generated by docker-compose depends on the folder name by default but you can override it by using --project-name argument: $ docker-compose --project-name foo build bar. $ docker images foo_bar.
Aug 4, 2021 · The volumes: section in a docker-compose file specify docker volumes, i.e. not files/directories. The first docker-compose in your post uses such a volume. If you want to map a file or directory (like in your last docker-compose file), you don't need to specify anything in the volumes: section. Docker volumes (the ones specified in the volumes ...
Jan 18, 2017 · You also don't specify if you're using the default bridge network in docker on a user created bridge network. In either case, by default, Docker should try and map DNS resolution from the Docker Host into your containers. So if your Docker Host can resolve the private DNS addresses, then in theory your containers should be able to as well.
Sep 24, 2018 · In Docker Compose, Compose creates a Docker network per Compose YAML file, and also makes services available under their key in the YAML file. This works even if no ports: are specified. So, for instance, if your docker-compose.yml file says. services: mongo: image: mongo others: env: MONGODB_HOST: mongo MONGODB_PORT: 27017
Apr 28, 2015 · The simplest way I have found is to just set the container name in the docker-compose.yml See container_name documentation. It is applicable to docker-compose v1+. It works for container to container, not from the host machine to container. services: dns: image: phensley/docker-dns container_name: affy.
Apr 4, 2019 · 34. The easiest answer is the following: container_name: This is the container name that you see from the host machine when listing the running containers with the docker container ls command. hostname: The hostname of the container. Actually, the name that you define here is going to the /etc/hosts file: $ exec -it myserver /bin/bash.
