| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| # ------------------------- |
| # add X-Request-Id header |
| # ------------------------- |
| set $requestId $http_x_request_id; |
| set_secure_random_alphanum $requestId_random 32; |
| set_if_empty $requestId $requestId_random; |
| add_header X-Request-Id $requestId; |
| proxy_set_header X-Request-Id $requestId; |
| |
| # ----------- |
| # X-Real-IP |
| # ----------- |
| set $proxy_remote_addr $http_x_real_ip; |
| set_if_empty $proxy_remote_addr $remote_addr; |
| proxy_set_header X-Real-IP $proxy_remote_addr; |
| |
| # ----------------- |
| # X-Forwarded-For |
| # X-Forwarded-Host |
| # ----------------- |
| proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; |
| proxy_set_header X-Forwarded-Host $host; |
| |
| # ----------------- |
| # X-Forwarded-Port |
| # ----------------- |
| set $proxy_forwarded_port $http_x_forwarded_port; |
| set_if_empty $proxy_forwarded_port $server_port; |
| proxy_set_header X-Forwarded-Port $proxy_forwarded_port; |
| |
| # ------------------ |
| # X-Forwarded-Proto |
| # ------------------ |
| set $proxy_forwarded_proto $http_x_forwarded_proto; |
| set_if_empty $proxy_forwarded_proto $scheme; |
| proxy_set_header X-forwarded-Proto $proxy_forwarded_proto; |
| |
| # --------------- |
| # X-Gateway-Host |
| # --------------- |
| set_by_lua_block $gateway_host { |
| local host = os.getenv("HOST") |
| local port = os.getenv("PORT") |
| if host ~= nil and port ~= nil then |
| return host .. ":" .. port |
| end |
| } |
| add_header X-Gateway-Host $gateway_host; |