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Extended CE: Installation
yu-i-i edited this page Nov 13, 2025
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Detailed installation instructions can be found in the Overleaf Toolkit.
To run a custom image, add a file named docker-compose.override.yml with the following or similar content into the overleaf-toolkit/config directory:
---
services:
sharelatex:
image: sharelatex/sharelatex:ext-ceIf you want to build a Docker image of the extended CE based on the upstream v5.5.n version, check out the tag, corresponding to version v5.5.0-ext-v3.2 by running:
git checkout v5.5.0-ext-v3.2
After building the image, switch to the latest state of the repository, rewiev the server-ce/hotfix directory, and build the patched images sequentially: v5.5.1-ext-v3.2,i ..., v5.5.n-ext-v3.2.
Alternatively, you can download a prebuilt image from Docker Hub:
docker pull overleafcep/sharelatex:5.5.6-ext-v3.2
Make sure to update the image name in overleaf-toolkit/config/docker-compose.override.yml accordingly.