Mapserver configuration to connect to PostGIS data source for EPSG:3338 data

gistfile1.txt

MAP
        NAME "Sea Ice Atlas"
        IMAGECOLOR 0 0 0
        TRANSPARENT ON
        SIZE 256 256
        STATUS ON
        CONFIG "MS_ERRORFILE" "/var/www/html/ms_error.txt"
        DEBUG 5

        OUTPUTFORMAT
                NAME png
                DRIVER "AGG/PNG"
                MIMETYPE "image/png"
                IMAGEMODE RGBA
                EXTENSION "png"
        END

	PROJECTION
		"init=epsg:3338"
	END

        WEB
                METADATA
                        "wms_title" "Historical Sea Ice Atlas"
                        "wms_srs" "EPSG:3338"
                        "wms_enable_request" "*"
                END
        END

	LAYER
		NAME seaiceatlas
		TYPE raster
		STATUS ON

		PROJECTION
			"proj=aea"
			"lat_1=55"
			"lat_2=65"
			"lat_0=50"
			"lon_0=-154"
			"x_0=0"
			"y_0=0"
			"ellps=GRS80"
			"datum=NAD83"
			"units=m"
			"no_defs"
		END

    # Unused for now, will be integrated into the DATA query when working
		VALIDATION
			'date'	'^[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}$'
			'default_date'	'1953-01-01'
		END

		METADATA
			"title" "Historical Sea Ice Atlas"
			"author" "SNAP"
		END

		DATA "PG:host=hermes.snap.uaf.edu port=5432 dbname='sea_ice_atlas' user='sea_ice_atlas_user' password='*' schema='public' table='rasters' where='date=\\\'1953-01-01\\\''"

		# Black = no ice = transparent
		OFFSITE 0 0 0

		CLASS
			NAME "gray1"
			EXPRESSION ([pixel] < 20)
			COLOR 8 81 156
		END
		CLASS
			NAME "gray2"
			EXPRESSION ([pixel] < 40)
			COLOR 43 130 189
		END
		CLASS
			NAME "gray3"
			EXPRESSION ([pixel] < 60)
			COLOR 107 174 214
		END
		CLASS
			NAME "gray4"
			EXPRESSION ([pixel] < 80)
			COLOR 189 215 231
		END
		CLASS
			NAME "gray5"
			EXPRESSION ([pixel] <= 100)
			COLOR 239 243 255
		END
	END
END