diff --git a/.gitignore b/.gitignore
index bc3fea5..74f4ca2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 .env
 lambda-deploy.zip
 lambda-layer-deploy.zip
-.DS_Store
\ No newline at end of file
+.DS_Store
+lambda/*
+python/lambda/*
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 61497da..df09bfb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -212,6 +212,10 @@ RUN \
     ./config shared --prefix=${PREFIX}/openssl --openssldir=${PREFIX}/openssl; \
     make depend; make install; cd ..; rm -rf openssl
 
+# rsync is required by bin/package.sh, so install it here
+RUN \
+    yum install -y rsync
+
 
 # Copy shell scripts and config files over
 COPY bin/* /usr/local/bin/
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..3498903
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+build:
+	./build-and-test.sh
+
+clean:
+	-rm -rf lambda/
+	-rm lambda-deploy.zip
+	-rm python/lambda-deploy.zip
+	git ls-files -o python/lambda | while read f; do rm -- "$$f"; done
\ No newline at end of file
diff --git a/build-and-test.sh b/build-and-test.sh
index bc7309a..c0fba7c 100755
--- a/build-and-test.sh
+++ b/build-and-test.sh
@@ -1,9 +1,10 @@
 #!/bin/bash
-
+set -e
 VERSION=$(cat VERSION)
 
+INTERACTIVE=$(if test -t 0; then echo -i; fi)
 docker build . -t developmentseed/geolambda:${VERSION}
-docker run --rm -v $PWD:/home/geolambda -it developmentseed/geolambda:${VERSION} package.sh
+docker run --rm -v $PWD:/home/geolambda ${INTERACTIVE} -t developmentseed/geolambda:${VERSION} package.sh
 
 cd python
 docker build . --build-arg VERSION=${VERSION} -t developmentseed/geolambda:${VERSION}-python