/c
local surface = game.player.surface
local position = game.player.position

local spidertron = surface.create_entity{
  name = "spidertron",
  position = {x = position.x + 5, y = position.y},
  force = game.player.force
}

local inventory = spidertron.get_inventory(defines.inventory.spider_trunk)
inventory.insert{name = "rocket", count = 2000}

spidertron.grid.put{name = "fusion-reactor-equipment"}
spidertron.grid.put{name = "exoskeleton-equipment"}
spidertron.grid.put{name = "personal-roboport-mk2-equipment"}
spidertron.grid.put{name = "battery-mk2-equipment"}

game.player.print("Spidertron created with rockets!")