Mapcache config to generate a cache from a WMS

mapcache-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- docs: http://mapserver.org/mapcache/config.html -->
<!-- see the accompanying mapcache.xml.sample for a fully commented configuration file -->
<!-- sample config: https://github.com/mapserver/mapcache/blob/master/mapcache.xml.sample -->
<!-- Mapcache docker image that can work with this: https://github.com/yjacolin/docker-mapcache/blob/master/Dockerfile --> 
<mapcache>
  <cache name="disk" type="disk">
    <base>/tmp/tilecache</base>
    <symlink_blank/>
  </cache>
  <source name="raster_layer" type="wms">
    <getmap>
      <params>
        <FORMAT>image/png</FORMAT>
        <LAYERS>raster_layer</LAYERS>
	<MAP>/usr/src/mapfiles/mapfile.map</MAP>
      </params>
    </getmap>
    
    <http>
      <url>http://172.17.0.2:80/mapserv</url>
    </http>
  </source>

  <grid name="dgWGS84">
    <extent>-180 -90 180 90</extent>
    <srs>EPSG:4326</srs>
    <units>dd</units>
    <size>306 306</size>
    <!-- specify resolutions such that we get half-meter pixels at a particular zoomlevel.  OpenLayers must match this! -->
    <resolutions>1.176470588235294156831401 0.588235294117647078415700 0.294117647058823539207850 0.147058823529411769603925 0.073529411764705884801963 0.036764705882352942400981 0.018382352941176471200491 0.009191176470588235600245 0.004595588235294117800123 0.002297794117647058900061 0.001148897058823529450031 0.000574448529411764725015 0.000287224264705882362508 0.000143612132352941181254 0.000071806066176470590627 0.000035903033088235295313 0.000017951516544117647657 0.000008975758272058823828 0.000004487879136029411914 0.000002243939568014705957 0.000001121969784007352979 </resolutions>
  </grid>
  
  <tileset name="raster_layer">
    <source>raster_layer</source>
    <!--<cache>sqlite</cache>-->
    <cache>disk</cache>
    <grid minzoom="0" maxzoom="13">dgWGS84</grid>
    <format>PNG</format>
    <metatile>5 5</metatile>
    <metabuffer>10</metabuffer>
    <expires>3600</expires>
  </tileset>
  
  <default_format>PNG</default_format>

  <service type="wms" enabled="true">
    <full_wms>assemble</full_wms>
    <resample_mode>bilinear</resample_mode>
    <format>PNG</format>
    <maxsize>4096</maxsize>
  </service>
  <service type="wmts" enabled="false"/>
  <service type="tms" enabled="false"/>
  <service type="kml" enabled="false"/>
  <service type="gmaps" enabled="false"/>
  <service type="ve" enabled="false"/>
  <service type="mapguide" enabled="false"/>
  <service type="demo" enabled="false"/>

  <errors>report</errors>
  <locker type="disk">
    <directory>/tmp</directory>
    <timeout>300</timeout>
  </locker>

</mapcache>