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composerize

http://composerize.com - Turnsdocker run commands intocompose.yaml files and even merge with existingcompose.yaml!

Looking for the reverse :http://decomposerize.com /Decomposerize

Want to convert from Docker compose file formats :http://composeverter.com /Composeverter

CLI

composerize can be run in the cli.

npm install composerize -g to install, and run as such:

$ composerize docker run -p 80:80 -v /var/run/docker.sock:/tmp/docker.sock:ro --restart always --log-opt max-size=1g nginx

Seecomposerize --help for more options.

Docker image

A dockker image of composerize, decomposerize and composeverter websites is available here:https://github.com/Oaklight/composerize-minimal/blob/master/README_en.md (thanks to @Oaklight)

How to use with node.js

Make sure to install thecomposerize package in your project by running:

npm install composerize

With the following code, you can easily integrateComposerize into your Node.js project and generate Docker Compose configurations from Docker run commands.

constcomposerize=require('composerize');constdockerRunCommand='docker run -d -p 8080:80 --name my-web-app nginx:latest';// Convert the Docker run command to a Docker Compose configurationconstcomposeConfig=composerize(dockerRunCommand);console.log(composeConfig);

You can also merge docker run command(s) with an existing Docker Compose file content :

constcomposerize=require('composerize');constdockerRunCommand='docker run -d -p 8080:80 --name my-web-app nginx:latest';// An existing Docker Compose configuration as a stringconstexistingComposeConfig=`version: '3'services:  existing-service:    image: my-existing-image:latest    ports:      - '8000:80'`;// Convert the Docker run command to a Docker Compose configuration and merge with provided docker composeconstcomposeConfig=composerize(dockerRunCommand,existingComposeConfig);console.log(composeConfig);

You can also choose which version of Docker compose V2, you target : 2.x, 3.x or Common Specification by specifying a third parametercomposeVersion onconvertDockerRunToCompose :

'v2x'
'v3x'
'latest'

constcomposerize=require('composerize');constdockerRunCommand='docker run -d -p 8080:80 --name my-web-app nginx:latest';// Convert the Docker run command to a Docker Compose configuration for 2.xconstcomposeConfig=composerize(dockerRunCommand,null,'v2x');console.log(composeConfig);

You can also choose indentation level by specifying a fourth parameterindent onconvertDockerRunToCompose :

'v2x'
'v3x'
'latest'

constcomposerize=require('composerize');constdockerRunCommand='docker run -d -p 8080:80 --name my-web-app nginx:latest';// Convert the Docker run command to a Docker Compose configuration for 2.xconstcomposeConfig=composerize(dockerRunCommand,null,'latest',2);console.log(composeConfig);