feat: add SAML2 login configuration and update Dockerfile

Author: mjabascal10

frontend/Dockerfile

@@ -2,6 +2,7 @@ FROM nginx:1.19.5
 WORKDIR /usr/share/nginx/html
 COPY ./nginx/mime.types /etc/nginx/mime.types
 COPY ./dist/utm-stack/ /usr/share/nginx/html/
+COPY ./nginx/conf.d/*.conf /etc/nginx/conf.d/
 
 HEALTHCHECK --start-period=120s --interval=60s --timeout=60s \
   CMD curl --insecure -I -f http://localhost/health && curl --insecure -I -f http://localhost/api/ping || exit 1

frontend/nginx/conf/saml.conf

@@ -0,0 +1,8 @@
+location /login/saml2/ {
+    proxy_pass $utmstack_saml2;
+    proxy_http_version 1.1;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+}

installer/templates/front-end.go

@@ -19,15 +19,6 @@ const FrontEnd string = `server {
     set $shared_key {{.SharedKey}};
     set $shared_key_header $http_x_shared_key;
 
-    location /login/saml2/ {
-        proxy_pass $utmstack_saml2;
-        proxy_http_version 1.1;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
-    }
-
     location /api {
         proxy_pass  $utmstack_backend;
         proxy_set_header Host $host;