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Bridge between ROS Melodic and ROS2 Galactic

asked 2021-10-24 16:39:32 -0500

hosh
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Hi, I am pretty much new to docker and its abilities.

I am wondering if it is possible to set up a docker image including ROS2 Galactic and run it on Ubuntu 18.04 which already has a ROS Melodic installed and finally set up a ros_bridge between them. In the OSRF docker hub, all ros1_bridge containers have ROS2+Noetic (simply because both support ubuntu 20.04), but I would like to have ROS2+Melodic.

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answered 2021-10-28 00:21:44 -0500

cottsay

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Short answer? maybe.

ROS 2 Galactic officially targets Ubuntu 20.04. We don't regularly run any builds or tests and we don't distribute any pre-built binaries for any other version of Ubuntu. That doesn't mean that we've consciously broken compatibility with 18.04, but I wouldn't be surprised to hear that you need to make changes to the sources to make it work there.

This has little to do with the capabilities of Docker and more to do with the differences between Ubuntu releases, and the decision to target only one of them under each ROS distribution.

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Asked: 2021-10-24 16:39:32 -0500

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Last updated: Oct 28 '21

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Bridge between ROS Melodic and ROS2 Galactic