mapserver map file

MAP
  CONFIG "MS_ERRORFILE" "/tmp/ms_error.txt"
  DEBUG 5
  CONFIG "CPL_DEBUG" "ON"

  SHAPEPATH "/home/baw/geodata"

  NAME "test"
  SIZE 512 512
  EXTENT -180 -90 180 90
  UNITS METERS
  STATUS ON
  PROJECTION
   "init=epsg:4326"
  END

  WEB
    METADATA
      "wms_title"           "WMS Raster Demo Server"
      "wms_enable_reqest"   "*"
    END
  END

  LAYER
    NAME wclim_tavg
    TYPE raster
    METADATA
      "wms_title" "tavg"
      "wms_srs" "EPSG:4326"
      "wms_enable_request" "*"
      "wms_feature_info_mime_type" "text/html"
    END
    EXTENT -180 -90 180 90
    PROJECTION
      "init=epsg:4326"
    END
    STATUS ON
    DATA "PG:host=localhost dbname='raster_test' user='baw' table='tavg'"
    PROCESSING "SCALE=-36,30"
    PROCESSING "SCALE_BUCKETS=3"
    CLASS
      NAME "red"
      EXPRESSION ([pixel] >= 20)
      STYLE
        COLOR 255 0 0
      END
    END
    CLASS
      NAME "white"
      EXPRESSION ([pixel] >= 0 and [pixel] < 20)
      STYLE
        COLOR 255 255 255
      END
    END
    CLASS
      NAME "blue"
      EXPRESSION ([pixel] < 0)
      STYLE
        COLOR 0 0 255
      END
    END

  END # LAYER


  LAYER
    NAME "world_poly"
    DATA "ne_10m_land.shp"
    STATUS ON
    TYPE POLYGON
    METADATA
      "wms_title" "land"
      "wms_srs" "EPSG:4326"
      "wms_enable_request" "*"
      "wms_feature_info_mime_type" "text/html"
    END
    CLASS
      NAME 'The World'
      STYLE
        OUTLINECOLOR 0 0 0
      END # STYLE
    END # CLASS

  END # LAYER

END # MAP
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

[Fri Jun  2 10:11:26 2017].47186 msDrawMap(): WMS/WFS set-up and query, 0.000s
[Fri Jun  2 10:11:26 2017].49670 msDrawRasterLayerLow(wclim_tavg): entering.
[Fri Jun  2 10:11:26 2017].190254 msDrawMap(): Layer 0 (wclim_tavg), 0.143s
[Fri Jun  2 10:11:26 2017].190273 msDrawMap(): Drawing Label Cache, 0.000s
[Fri Jun  2 10:11:26 2017].190277 msDrawMap() total time: 0.144s
[Fri Jun  2 10:11:26 2017].201668 msSaveImage(stdout) total time: 0.011s
[Fri Jun  2 10:11:26 2017].201793 mapserv request processing time (msLoadMap not incl.): 0.156s
[Fri Jun  2 10:11:26 2017].201800 msFreeMap(): freeing map at 0x55d1b9eecb80.