Add Caddy support

Caddyfile

@@ -0,0 +1,45 @@
+local.taiga.io {
+
+    # backend admin and api
+	@taiga-back path /admin* /api*
+	handle @taiga-back {
+		reverse_proxy 127.0.0.1:8001
+	}
+
+    # events
+	handle /events* {
+		reverse_proxy 127.0.0.1:8888
+	}
+
+    # static and frontend
+	handle {
+		root /static/* /home/taiga/taiga-back
+		root * /home/taiga/taiga-front-dist/dist
+
+		try_files {path} {path}/ /index.html
+		file_server
+	}
+
+    # unprotected section
+	handle /media/exports/* {
+		header Content-disposition "attachment"
+		root * /home/taiga/taiga-back
+		file_server
+	}
+
+    # protected section
+	handle_path /media/* {
+		reverse_proxy localhost:8003 {
+			@accel header X-Accel-Redirect *
+			handle_response @accel {
+				root * /home/taiga/taiga-back
+				header Content-Disposition "attachment"
+				rewrite {http.reverse_proxy.header.X-Accel-Redirect}
+				file_server
+			}
+		}
+	}
+
+    # TLS, log, etc
+    # Configure your TLS following the best practices inside your company
+}

Makefile

@@ -46,6 +46,7 @@ doc:
 	asciidoctor -T custom-html5 -o dist/integrations-gogs.html integrations-gogs.adoc
 	asciidoctor -T custom-html5 -o dist/integrations-slack.html integrations-slack.adoc
 	cp -r assets/* dist || exit 1
+	cp Caddyfile dist || exit 1
 pdf:
 	asciidoctor -a allow-uri-read -r asciidoctor-pdf -b pdf -o dist/pdfs/index.pdf index.adoc
 	asciidoctor -a allow-uri-read -r asciidoctor-pdf -b pdf -o dist/pdfs/setup-production.pdf setup-production.adoc

setup-production.adoc

@@ -733,8 +733,8 @@ cp ~/taiga-protected/env.sample ~/taiga-protected/.env
 
 The `SECRET_KEY` value in `.env` must be the same as the `SECRET_KEY` in `~/taiga-back/settings/config.py`.
 
-[[start-and-expose]]
-=== Start and Expose Taiga
+[[start-taiga]]
+=== Start Taiga
 
 Now it's time to create the different systemd services to serve different modules of Taiga.
 
@@ -883,6 +883,11 @@ sudo systemctl enable taiga-protected
 sudo systemctl status taiga-protected
 ----
 
+[[expose-taiga-nginx]]
+=== Expose Taiga with NGINX
+
+The recommended way to serve Taiga is to use NGINX proxy server.
+
 [[nginx]]
 .Remove the default NGINX config file to avoid collision with Taiga:
 [source,bash]
@@ -1008,6 +1013,22 @@ sudo systemctl restart 'taiga*'
 
 **Now you should have the service up and running on: `https://example.com/`**
 
+[[expose-taiga-other]]
+=== Other methods to expose Taiga
+
+.Caddy server
+It's possible to serve Taiga with Caddy as well, following the next guides:
+
+- install caddy >= 2.4.1
+- create a symlink from `media` to `_protected`
+[source,bash]
+----
+cd ~/taiga-back
+ln -s media/ _protected
+----
+- use a Caddyfile based on link:Caddyfile[this]
+
+
 [[extend-taiga]]
 === Extend Taiga