diff --git a/docker/Dockerfile b/docker/Dockerfile
index b95385f..3a519d0 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -3,12 +3,14 @@ FROM node:10
 ENV NPM_CONFIG_PREFIX=/home/node/.npm-global
 
 WORKDIR /home/node
-USER node
 
 COPY package.json ./
 COPY examples/ ./examples
 COPY src/ ./src
 COPY conf/ ./conf
 
+RUN chown -R node:node package.json examples src conf
+USER node
+
 RUN npm install babel-cli webpack \
  && npm install