{%- set transparent = false -%}
{%- if env.NGX_HTTP_TRANSPARENT_PROXY != None -%}
  {%- set transparent = env.NGX_HTTP_TRANSPARENT_PROXY | from_gobool -%}
{%- endif -%}

---

request_headers:
{%- if transparent %}
  Host: '$proxy_host'
  ## '$req_accept' is defined in /angie/autoconf.dist/http-request-headers-basic.conf.j2
  Accept: '$req_accept'
  ## '$req_user_agent' is defined in /angie/autoconf.dist/http-request-headers-basic.conf.j2
  User-Agent: '$req_user_agent'
{%- else %}
  Host: '$host'
{%- endif %}

---

request_headers:
{%- if env.NGX_HTTP_FORWARDED == 'pass' %}
  ## '$proxy_add_forwarded' is defined in /angie/autoconf.dist/http-request-headers-forwarded.conf
  Forwarded: '$proxy_add_forwarded'
{%- elif env.NGX_HTTP_FORWARDED == 'remove' %}
  Forwarded: ''
{%- endif %}

---

request_headers:
{%- if env.NGX_HTTP_X_FORWARDED == 'pass' %}
  X-Forwarded-Proto: '$scheme'
  X-Forwarded-Host: '$host'
  X-Forwarded-Server: '$host'
  X-Forwarded-Port: '$server_port'
  X-Forwarded-For: '$proxy_add_x_forwarded_for'
{%- elif env.NGX_HTTP_X_FORWARDED == 'remove' %}
  X-Forwarded-Proto: ''
  X-Forwarded-Host: ''
  X-Forwarded-Server: ''
  X-Forwarded-Port: ''
  X-Forwarded-For: ''
{%- endif %}

---

request_headers:
{%- if env.NGX_HTTP_X_REAL_IP == 'pass' %}
  X-Real-IP: '$remote_addr'
{%- elif env.NGX_HTTP_X_REAL_IP == 'remove' %}
  X-Real-IP: ''
{%- endif %}