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A literal git clone . Required if you are developing on a package or using a version that doesn't have a pre-packaged zip.
Docker images—especially slim or alpine versions—are designed to be lightweight and rarely include Git by default. You need to manually install it during the build process. For Debian/Ubuntu-based images (e.g., php:8.2-fpm ) A literal git clone
Add git and unzip (Composer also needs unzip to extract "dist" packages) to your apt-get command: dockerfile A literal git clone
Sometimes Composer remembers the failed "dist" attempt. If you still see issues after installing Git, try: docker exec -it composer clear-cache Use code with caution. 3. Check for Private Repositories A literal git clone