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env variable to generate trailing slash in location directive #2

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env variable to generate trailing slash in location directive #2

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e43bac1
Update nginx.tmpl
martianrock Aug 30, 2017
e3379db
Update README.md
martianrock Aug 30, 2017
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -9,4 +9,5 @@ A docker image based on jwilder/nginx-proxy which modifies the template to have

* NGINX_PROXY_SUBDIRECTORY [REQUIRED]: Specifies the subdirectory to use for this container. If multiple containers have the same subdirectory, nginx will load balance those requests.
* NGINX_PROXY_SUBDIRECTORY_MAP_TO_ROOT: If 0, maps /$subdir to /$subdir. If 1, maps /$subdir to /. Defaults to 1.
* NGINX_PROXY_SUBDIRECTORY_TRAILING_SLASH: If 0, location is /$subdir. If 1, location is /$subdir/. Defaults to 1.
* VIRTUAL_PROTO: Protocol to use for connection to backend container. Defaults to http.
8 changes: 7 additions & 1 deletion nginx.tmpl
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Expand Up @@ -28,7 +28,13 @@ upstream {{ $subdir }} {

{{ define "locations" }}
{{ range $subdir, $containers := groupByMulti $ "Env.NGINX_PROXY_SUBDIRECTORY" "," }}
location /{{ $subdir }} {
{{ $trailing_slash := or (first (groupByKeys $containers "Env.NGINX_PROXY_SUBDIRECTORY_TRAILING_SLASH")) "1" }}
{{ if eq $trailing_slash "1" }}
location /{{ $subdir }}/ {
{{ else }}
location /{{ $subdir }} {
{{ end }}

{{ $proto := or (first (groupByKeys $containers "Env.VIRTUAL_PROTO")) "http" }}
{{ $map_to_root := or (first (groupByKeys $containers "Env.NGINX_PROXY_SUBDIRECTORY_MAP_TO_ROOT")) "1" }}
{{ if eq $map_to_root "1" }}
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