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Merge pull request #54 from dokku/53-custom-static-routing

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feat: allow overriding default 404 response with custom file
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Jose Diaz-Gonzalez 2022-08-07 19:11:02 -04:00 committed by GitHub
commit 90c8bd9365
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3 changed files with 17 additions and 3 deletions
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10
README.md
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@ -32,6 +32,16 @@ You can override the nginx root via setting the `NGINX_ROOT` environment variabl
dokku config:set static-app NGINX_ROOT=_site
````
### Default to index for history routing
By default, this buildpack will 404 if a requested file is not found. For static sites that use the browser's history router to show the correct context, setting the `NGINX_DEFAULT_REQUEST` to a specific file will override this.
```shell
# where the app is named `static-app`
# and the desired default response is index.html
dokku config:set static-app NGINX_ROOT=index.html
```
### Custom nginx config file
You may completely override the built-in nginx config by placing an `app-nginx.conf.sigil` file in the root, modeled after our own [`conf/app-nginx.conf.sigil`](https://github.com/dokku/buildpack-nginx/blob/master/conf/app-nginx.conf.sigil). This will be used inside of the container, and not by the host Dokku instance. See the [sigil project](https://github.com/gliderlabs/sigil) for more information concerning the sigil format.

4
bin/compile
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@ -143,7 +143,7 @@ if [ -f "$BUILD_DIR/app-nginx.conf.sigil" ] ; then
# Allow deprecated nginx.conf.erb
elif [ -f "$BUILD_DIR/nginx.conf.erb" ] ; then
echo "-----> DEPRECATED: using user provided nginx.conf.erb"
echo "-----> DEPRECATED: Using user provided nginx.conf.erb"
cp "$BUILD_DIR/nginx.conf.erb" "$BUILD_DIR/nginx/nginx.conf.erb"
# ...else, force default file
@ -167,7 +167,7 @@ cat <<EOF >"$BUILD_DIR/start_nginx"
#!/usr/bin/env bash
rm -f /app/nginx/nginx.conf
if [[ -f /app/nginx/app-nginx.conf.sigil ]]; then
/app/sigil/sigil -f /app/nginx/app-nginx.conf.sigil NGINX_ROOT="\$NGINX_ROOT" PORT="\$PORT" | cat -s > /app/nginx/nginx.conf
/app/sigil/sigil -f /app/nginx/app-nginx.conf.sigil NGINX_ROOT="\$NGINX_ROOT" NGINX_DEFAULT_REQUEST="\$NGINX_DEFAULT_REQUEST" PORT="\$PORT" | cat -s > /app/nginx/nginx.conf
else
erb /app/nginx/nginx.conf.erb > /app/nginx/nginx.conf
fi

6
conf/app-nginx.conf.sigil
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@ -23,7 +23,11 @@ http {
port_in_redirect off;
location / {
try_files $uri $uri/ =404;
{{ if ne $.NGINX_DEFAULT_REQUEST "" }}
try_files $uri $uri/ /{{ $.NGINX_DEFAULT_REQUEST }};
{{ else }}
try_files $uri $uri/ =404;
{{ end }}
}
}
}