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fix: Add nginx reverse proxy for code-server subpath routing

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code-server cannot handle being served under a subpath with Traefik StripPrefix.
Added nginx as reverse proxy that listens on 8080 and proxies to code-server
on 8081. This preserves all URLs and asset paths correctly.

- nginx listens on 0.0.0.0:8080 (external)
- code-server listens on 127.0.0.1:8081 (internal)
- Entrypoint starts nginx + socat + code-server

This fixes 404 errors on workbench.css and asset loading.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
This commit is contained in:
XPS\Micro 2026-03-19 15:38:58 +01:00
parent 5f6b06a66a
commit 22d10330c5
1 changed files with 20 additions and 3 deletions
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23
user-template-vcoder/Dockerfile
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@ -56,11 +56,28 @@ USER root
RUN rm -f /tmp/cpptools.vsix /tmp/platformio.vsix
# socat für Port-Tunneling installieren (PIO Home reverse proxy)
RUN apt-get update && apt-get install -y socat && rm -rf /var/lib/apt/lists/*
RUN apt-get update && apt-get install -y socat nginx && rm -rf /var/lib/apt/lists/*
# Entrypoint-Script - startet socat Tunnel + code-server
# nginx als Reverse Proxy für code-server (fixiert Subpath-Routing)
RUN printf 'server {\n\
listen 8080;\n\
server_name localhost;\n\
location / {\n\
proxy_pass http://localhost:8081;\n\
proxy_http_version 1.1;\n\
proxy_set_header Upgrade $http_upgrade;\n\
proxy_set_header Connection "upgrade";\n\
proxy_set_header Host $host;\n\
proxy_set_header X-Real-IP $remote_addr;\n\
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n\
proxy_set_header X-Forwarded-Proto $scheme;\n\
}\n\
}\n' > /etc/nginx/sites-available/default && rm -f /etc/nginx/sites-enabled/default
# Entrypoint-Script - startet nginx + socat + code-server
RUN printf '#!/bin/bash\n\
socat TCP-LISTEN:8008,reuseaddr,fork TCP:localhost:9009 &\n\
nginx -g "daemon off;" &\n\
exec "$@"\n' > /entrypoint.sh && chmod +x /entrypoint.sh
USER coder
@ -68,4 +85,4 @@ USER coder
WORKDIR /home/coder/project
ENTRYPOINT ["/entrypoint.sh"]
CMD ["code-server", "--bind-addr", "0.0.0.0:8080", "--auth", "none"]
CMD ["code-server", "--bind-addr", "127.0.0.1:8081", "--auth", "none"]