diff --git a/Dockerfile b/Dockerfile
index 90744ae20..f30310f98 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
-FROM ubuntu:16.04
+FROM alpine:3.7
 
-RUN apt-get update && apt-get install -y \
-    wget patch vimp cpio python unzip rsync bc bzip2 ncurses-dev \
-    git make g++ python-matplotlib python-numpy graphviz
+
+RUN apk add --no-cache \
+    wget patch vim cpio python unzip rsync bc bzip2 ncurses-dev \
+    git make g++ file perl bash binutils
 
 # Get buildroot
 WORKDIR /build
-COPY . /build
diff --git a/scripts/enter.sh b/scripts/enter.sh
index 824f96853..34f560a93 100755
--- a/scripts/enter.sh
+++ b/scripts/enter.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 docker build -t hassbuildroot .
-docker run -it --rm hassbuildroot /bin/bash
+docker run -it --rm -v .:/build hassbuildroot /bin/bash
diff --git a/scripts/patches.sh b/scripts/patches.sh
old mode 100644
new mode 100755