diff --git a/README.md b/README.md
index 46c2378..e8db3ff 100644
--- a/README.md
+++ b/README.md
@@ -88,8 +88,9 @@ The following code has been tested with Debian 8, it should work on Ubuntu as we
 * `gitea_root_url`: Root URL used to access your web app (full URL)
 * `gitea_protocol`: Listening protocol (http/https)
 * `gitea_http_listen`: Bind address
-* `gitea_http_port`: Bind port
+* `gitea_http_port`: Bind port (redirect from `80` will be activated if value is `443` - Default: `3000`)
 * `gitea_disable_http_git`: Disable the use of Git over HTTP ? (true/false)
+* `gitea_http_letsencrypt_mail` Enable Let`s Encrypt if a email address is given
 
 ### SSH configuration
 
diff --git a/defaults/main.yml b/defaults/main.yml
index 5a90792..48583dc 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -17,6 +17,7 @@ gitea_root_url: http://localhost:3000
 gitea_protocol: http
 gitea_http_listen: 127.0.0.1
 gitea_http_port: 3000
+# gitea_http_letsencrypt_mail:  - required
 gitea_disable_http_git: false
 gitea_offline_mode: true
 
diff --git a/templates/gitea.ini.j2 b/templates/gitea.ini.j2
index f70ec57..552ca0b 100644
--- a/templates/gitea.ini.j2
+++ b/templates/gitea.ini.j2
@@ -37,6 +37,14 @@ ROOT_URL              = {{ gitea_root_url }}
 ; The address to listen on. Either a IPv4/IPv6 address or the path to a unix socket.
 HTTP_ADDR             = {{ gitea_http_listen }}
 HTTP_PORT             = {{ gitea_http_port }}
+{% if gitea_http_port == 443 %}
+PORT_TO_REDIRECT      = 80
+{% endif %}
+{% if gitea_http_letsencrypt_mail is defined %}
+ENABLE_LETSENCRYPT    = true
+LETSENCRYPT_ACCEPTTOS = true
+LETSENCRYPT_EMAIL     = {{ gitea_http_letsencrypt_mail }}
+{% endif %}
 ; Disable SSH feature when not available
 DISABLE_SSH = false
 ; Whether to use the builtin SSH server or not.