<OGRVRTDataSource>
    <OGRVRTLayer name="combine">
        <SrcDataSource>D:combine.csv</SrcDataSource>
        <GeometryType>wkbPoint</GeometryType>
        <LayerSRS>WGS84</LayerSRS>
        <GeometryField encoding="PointFromColumns" x="longitude" y="latitude"/>
    </OGRVRTLayer>
</OGRVRTDataSource>

ogr2ogr -overwrite -progress -gt 999999999 -skipfailures -f "PostgreSQL" PG:"host=000.000.000.000 port=0000 dbname=myDB user=me password=youtellme" -lco GEOMETRY_NAME=shape -t_srs EPSG:3857 D:input.vrt -nln output

ogr2ogr -f "PostgreSQL" PG:"host=000.000.000.000 port=0000 dbname=myDB user=me password=youtellme" -s_srs EPSG:4326 -t_srs EPSG:3857 -progress -nln output -lco OVERWRITE=YES  -lco GEOMETRY_NAME=shape -oo X_POSSIBLE_NAMES=longitude -oo Y_POSSIBLE_NAMES=latitude combine.csv