diff --git a/BUILDING.md b/BUILDING.md
new file mode 100644
index 0000000..511dc1a
--- /dev/null
+++ b/BUILDING.md
@@ -0,0 +1,6 @@
+./scripts/container.sh
+
+make update
+make V=sc -j24 download all GLUON_TARGET=ramips-mt7621
+make V=sc -j24 download all GLUON_TARGET=ipq40xx-generic
+make V=sc -j24 download all GLUON_TARGET=mpc85xx-p1020