diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 00000000..4204c803
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,10 @@
+.github/
+.idea/
+node_modules/
+benchmark/
+demo/
+dist/
+docs/
+out-tsc/
+test/
+docker/
diff --git a/docker/arm32v6/debian-stretch/Dockerfile b/docker/arm32v6/debian-stretch/Dockerfile
index a6fe97d8..4cadc2c5 100644
--- a/docker/arm32v6/debian-stretch/Dockerfile
+++ b/docker/arm32v6/debian-stretch/Dockerfile
@@ -1,5 +1,6 @@
 FROM alpine AS qemu-builder
-RUN wget https://github.com/multiarch/qemu-user-static/releases/download/v4.1.1-1/x86_64_qemu-arm-static.tar.gz && \
+RUN apk add --no-cache wget && \
+    wget https://github.com/multiarch/qemu-user-static/releases/download/v4.1.1-1/x86_64_qemu-arm-static.tar.gz && \
     tar -xvf x86_64_qemu-arm-static.tar.gz
 
 FROM arm32v6/node:12-stretch AS builder