Hello, I tried to do the solution by this My discourse forum crashed after upgrade to 3.5.0.beta8 but it does not works I am using Ubuntu 24.04.3 LTS, any one can help me?

Let me share my solution The problem is that Docker 28.x is not available in Ubuntu 24.04.3 LTS’s official package list. cd /var/discourse git pull origin main --autostash sudo install -m 0755 -d /etc/apt/keyrings curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \ sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg echo \ "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \ https://download.docker.com/linux/ubuntu noble stable" | \ sudo tee /etc/apt/sources.list.d/docker.list > /dev/null apt upgrade docker-ce systemctl enable --now docker ./launcher rebuild app

the error is 'I, [2025-09-13T18:37:08.577996 #1] INFO -- : > grep -q 'outlets/before-server' /etc/nginx/conf.d/discourse.conf || ( >&2 echo 'The "before-server" Nginx outlet is missing. This version of discourse_docker is not compatible with the chosen Discourse version.' ; exit 1 ) I, [2025-09-13T18:37:08.581833 #1] INFO -- : I, [2025-09-13T18:37:08.581913 #1] INFO -- : > grep -q 'outlets/server' /etc/nginx/conf.d/discourse.conf || ( >&2 echo 'The "server" Nginx outlet is missing. This version of discourse_docker is not compatible with the chosen Discourse version.' ; exit 1 ) I, [2025-09-13T18:37:08.585915 #1] INFO -- : I, [2025-09-13T18:37:08.585994 #1] INFO -- : > grep -q 'outlets/discourse' /etc/nginx/conf.d/discourse.conf || ( >&2 echo 'The "discourse" Nginx outlet is missing. This version of discourse_docker is not compatible with the chosen Discourse version.' ; exit 1 )' docker: "specify mac-address per network" requires API version 1.44, but the Docker daemon API version is 1.43.

Thank you so much after I did systemctl enable --now docker my site works, but log still show me I, [2025-09-13T19:00:59.928538 #1] INFO -- : > grep -q 'outlets/before-server' /etc/nginx/conf.d/discourse.conf || ( >&2 echo 'The "before-server" Nginx outlet is missing. This version of discourse_docker is not compatible with the chosen Discourse version.' ; exit 1 ) I, [2025-09-13T19:00:59.932337 #1] INFO -- : I, [2025-09-13T19:00:59.932412 #1] INFO -- : > grep -q 'outlets/server' /etc/nginx/conf.d/discourse.conf || ( >&2 echo 'The "server" Nginx outlet is missing. This version of discourse_docker is not compatible with the chosen Discourse version.' ; exit 1 ) I, [2025-09-13T19:00:59.936410 #1] INFO -- : I, [2025-09-13T19:00:59.936477 #1] INFO -- : > grep -q 'outlets/discourse' /etc/nginx/conf.d/discourse.conf || ( >&2 echo 'The "discourse" Nginx outlet is missing. This version of discourse_docker is not compatible with the chosen Discourse version.' ; exit 1 ) any side effects?

Cannot rebuild app because Docker daemon API version is 1.43

Product Support Self-hosting

Steven September 13, 2025, 6:47pm 3

you can try updating Docker using this command:

wget -qO- https://get.docker.com/ | sh

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Cannot rebuild app because Docker daemon API version is 1.43

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