diff --git a/build_script/build.sh b/build_script/build.sh
new file mode 100755
index 0000000000000000000000000000000000000000..6d229f37ec4306366aeab41a4366340c253fbe1b
--- /dev/null
+++ b/build_script/build.sh
@@ -0,0 +1,110 @@
+#!/usr/bin/env bash
+USER_DIR=/home/user
+
+GLUON_DIR=$USER_DIR/gluon
+SITE_DIR=$USER_DIR/Firmware-building/site_config
+
+EXPERIMENTAL_SITE=$SITE_DIR/experimental/site
+BETA_SITE=$SITE_DIR/beta/site
+STABLE_SITE=$SITE_DIR/stable/site
+
+# $1: site directory
+set_site_directory() {
+    pushd $GLUON_DIR
+
+    # if site file exists, remove it
+    if [ -a site ]; then
+        unlink site
+    fi
+    ln -s $1
+
+    popd $GLUON_DIR
+}
+
+build() {
+    pushd $GLUON_DIR
+
+    for TARGET in $(make list-targets); do
+        make -j16 GLUON_TARGET=$TARGET
+    done
+
+    popd
+}
+
+# $1: autoupdater branch
+move_output_images() {
+    pushd $GLUON_DIR
+
+    mv output/images output-images-$1
+
+    popd
+}
+
+#unset multiple env vars
+unset BUILD_EXPERIMENTAL BUILD_BETA BUILD_STABLE
+
+case $1 in
+    exp)
+        BUILD_EXPERIMENTAL=1
+        ;;
+
+    beta)
+        BUILD_BETA=1
+        ;;
+
+    stable)
+        BUILD_STABLE=1
+        ;;
+
+    all)
+        BUILD_EXPERIMENTAL=1
+        BUILD_BETA=1
+        BUILD_STABLE=1
+        ;;
+
+    *)
+        echo "fflux firmware building script"
+        echo "Usage: build.sh <all|exp|beta|stable>"
+        exit 1
+        ;;
+esac
+
+pushd $GLUON_DIR
+
+if [ -d $GLUON_DIR/output/images ]; then
+    echo "Error: output images directory contains images. Please remove them before building."
+    echo "Delete `gluon/output/images` directory and try again."
+    exit 1
+fi
+
+set_site_directory() {
+    echo "Linking $1"
+}
+
+build() {
+    echo "Building images"
+}
+
+move_output_images() {
+    echo "Moving output images to output-images-$1"
+}
+
+if [ -n $BUILD_EXPERIMENTAL ]; then
+    set_site_directory $EXPERIMENTAL_SITE
+    build
+    move_output_images experimental
+fi
+
+if [ -n $BUILD_BETA ]; then
+    set_site_directory $BETA_SITE
+    build
+    move_output_images beta
+fi
+
+if [ -n $BUILD_STABLE ]; then
+    set_site_directory $STABLE_SITE
+    build
+    move_output_images stable
+fi
+
+popd
\ No newline at end of file