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Enable optionally serving applications under subpath/path prefix #42

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Enable optionally serving applications under subpath/path prefix #42

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d1d86c4
Update default_site.conf
tgerakitis Oct 7, 2020
db02ddf
Update 10-nginx.sh
tgerakitis Oct 7, 2020
511d0e5
Update README.md
tgerakitis Oct 7, 2020
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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,8 @@ to the `docker run` command.
|`VNC_PASSWORD`| Password needed to connect to the application's GUI. See the [VNC Password](#vnc-password) section for more details. | (unset) |
|`X11VNC_EXTRA_OPTS`| Extra options to pass to the x11vnc server running in the Docker container. **WARNING**: For advanced users. Do not use unless you know what you are doing. | (unset) |
|`ENABLE_CJK_FONT`| When set to `1`, open-source computer font `WenQuanYi Zen Hei` is installed. This font contains a large range of Chinese/Japanese/Korean characters. | `0` |
|`PATH_PREFIX`| Sets the path prefix under which the application can be served. Example: `PATH_PREFIX=/path/to/app` enables accessing the app via `example.com/path/to/app/` | (unset) |


## Config Directory
Inside the container, the application's configuration should be stored in the
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5 changes: 5 additions & 0 deletions rootfs/defaults/default_site.conf
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Expand Up @@ -22,6 +22,11 @@ server {

root /opt/novnc;
index index.html;

# Support serving application under path prefix.
location /sed_path_prefix {
rewrite ^/sed_path_prefix(.*)$ $1 last;
}

location /websockify {
proxy_pass http://127.0.0.1:5950;
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5 changes: 5 additions & 0 deletions rootfs/etc/cont-init.d/10-nginx.sh
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Expand Up @@ -15,6 +15,11 @@ if ! ifconfig -a | grep -wq inet6; then
sed-patch '/^[\t]listen \[::\]:5800 /d' /etc/nginx/default_site.conf
fi

# If environment Variable PATH_PREFIX is defined, replace it in virtual server configuration.
if [[ ! -z "${PATH_PREFIX:-}" ]]; then
sed-patch "s|/sed_path_prefix|$PATH_PREFIX|g" /etc/nginx/default_site.conf
fi

# Make sure required directories exist.
s6-setuidgid $USER_ID:$GROUP_ID mkdir -p /config/log/nginx

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