diff --git a/raven/init.lua b/raven/init.lua
index 452f4f3..9e53b97 100644
--- a/raven/init.lua
+++ b/raven/init.lua
@@ -136,6 +136,9 @@ function _M.new(conf)
         logger = conf.logger or "root",
         tags = conf.tags or nil,
         extra = conf.extra or nil,
+        environment = conf.environment or nil,
+        release = conf.release or nil,
+        server_name = conf.server_name or nil
     }
 
     return setmetatable(obj, raven_mt)
@@ -148,6 +151,21 @@ function _M.get_server_name()
     return "undefined"
 end
 
+--- This method is reponsible to return the `request` field of an event.
+-- The default implementation just returns `{}`, users are encouraged
+-- to override this to something more sensible.
+-- See [Sentry's docs](https://develop.sentry.dev/sdk/event-payloads/request/)
+-- for the list of allowed properties.
+function _M.get_request_data()
+    return {}
+end
+
+--- This method can be used to tag a release in Sentry.
+-- Typically you can use it with a commit hash.
+function _M.get_release()
+    return nil
+end
+
 --- This table can be used to tune the message reporting.
 -- @field tags Tags for the message, they will be coalesced with the ones
 --  provided in the @{sentry_conf} table used in the constructor if any. In
@@ -296,11 +314,12 @@ function raven_mt:send_report(json, conf)
         end
     end
 
-    json.event_id  = event_id
-    json.timestamp = iso8601()
-    json.level     = self.level
-    json.platform  = "lua"
-    json.logger    = self.logger
+    json.event_id    = event_id
+    json.timestamp   = iso8601()
+    json.level       = self.level
+    json.platform    = "lua"
+    json.logger      = self.logger
+    json.environment = self.environment
 
     if conf then
         json.tags = merge_tables(conf.tags, self.tags)
@@ -309,12 +328,20 @@ function raven_mt:send_report(json, conf)
         if conf.level then
             json.level = conf.level
         end
+        if conf.user then
+            json.user = merge_tables(conf.user, self.user)
+        end
+        if conf.contexts then
+            json.contexts = conf.contexts
+        end
     else
         json.tags = self.tags
         json.extra = self.extra
     end
 
-    json.server_name = _M.get_server_name()
+    json.request  = _M.get_request_data()
+    json.server_name = self.server_name or _M.get_server_name()
+    json.release = self.release or _M.get_release()
 
     local json_str = json_encode(json)
     local ok, err = self.sender:send(json_str)
diff --git a/raven/senders/luasocket.lua b/raven/senders/luasocket.lua
index ded028c..dbb5fac 100644
--- a/raven/senders/luasocket.lua
+++ b/raven/senders/luasocket.lua
@@ -36,7 +36,7 @@ function mt:send(json_str)
         method = "POST",
         url = self.server,
         headers = {
-            ['Content-Type'] = 'applicaion/json',
+            ['Content-Type'] = 'application/json',
             ['User-Agent'] = "raven-lua-socket/" .. _VERSION,
             ['X-Sentry-Auth'] = generate_auth_header(self),
             ["Content-Length"] = tostring(#json_str),
diff --git a/raven/senders/ngx.lua b/raven/senders/ngx.lua
index 05bf470..9d63553 100644
--- a/raven/senders/ngx.lua
+++ b/raven/senders/ngx.lua
@@ -240,4 +240,66 @@ function _M.get_server_name()
     return "undefined"
 end
 
+--- Returns the value of the `request_data` variable if possible.
+-- Otherwise (wrong phase), this will return {}.
+--
+-- It is intended to be used as a `get_request_data` override on the main raven
+-- instance.
+--
+-- @usage
+-- local raven_ngx = require("raven.senders.ngx")
+-- local rvn = raven.new(...)
+-- rvn.get_request_data = raven_ngx.get_request_data
+function _M.get_request_data()
+    local phase = ngx.get_phase()
+    -- the ngx.var.* API is not available in all contexts
+    if phase == "set" or
+        phase == "rewrite" or
+        phase == "access" or
+        phase == "content" or
+        phase == "header_filter" or
+        phase == "body_filter" or
+        phase == "log"
+    then
+        return {
+            caller = "nginx",
+            method = ngx.var.request_method or nil,
+            host = ngx.var.http_host or nil,
+            url = ngx.var.request_uri or nil,
+            query_string = ngx.var.query_string or nil,
+            env = {
+                -- some information can be only accessed if the request is at log phase
+                HOSTNAME = ngx.var.hostname,
+                METHOD = ngx.var.request_method or nil,
+                BODY_BYTES_SENT = ngx.var.body_bytes_sent or nil,
+                BYTES_RECEIVED = ngx.var.bytes_received or nil,
+                BYTES_SENT = ngx.var.bytes_sent or nil,
+                NGINX_VERSION = ngx.var.nginx_version or nil,
+                REMOTE_ADDR = ngx.var.remote_addr or nil,
+                REMOTE_PORT = ngx.var.remote_port or nil,
+                REQUEST_TIME = ngx.var.request_time or nil,
+                STATUS = ngx.var.status or nil,
+                USER_AGENT = ngx.var.http_user_agent or nil,
+                CONTENT_TYPE = ngx.var.http_content_type or nil,
+                CONTENT_LENGTH = ngx.var.http_content_length or nil,
+                -- proxy related information
+                PROXY_ADD_X_FORWARDED_FOR = ngx.var.proxy_add_x_forwarded_for or nil,
+                UPSTREAM_ADDR = ngx.var.upstream_add or nil,
+                UPSTREAM_BYTES_RECEIVED = ngx.var.upstream_bytes_received or nil,
+                UPSTREAM_BYTES_SENT = ngx.var.upstream_bytes_sent or nil,
+                UPSTREAM_CACHE_STATUS = ngx.var.upstream_cache_status or nil,
+                UPSTREAM_CONNECT_TIME = ngx.var.upstream_connect_time or nil,
+                UPSTREAM_FIRST_BYTE_TIME = ngx.var.upstream_first_byte_time or nil,
+                UPSTREAM_HEADER_TIME = ngx.var.upstream_header_time or nil,
+                UPSTREAM_RESPONSE_LENGTH = ngx.var.upstream_response_length or nil,
+                UPSTREAM_RESPONSE_TIME = ngx.var.upstream_response_time or nil,
+                UPSTREAM_STATUS = ngx.var.upstream_status or nil,
+             },
+        }
+    end
+    return {
+        caller = "nginx",
+    }
+end
+
 return _M