diff --git a/docker/Dockerfile b/docker/Dockerfile
index ecc5b4a..dfbfcae 100755
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -81,10 +81,9 @@ COPY . /app
 RUN mkdir -p /app/log
 
 # generate production assets if production environment
-RUN if [ "$RAILS_ENV" = "production" ]; then \
-  SECRET_KEY_BASE=precompile_placeholder RAILS_LOG_TO_STDOUT=enabled bundle exec rake assets:precompile \
-  && rm -rf spec node_modules tmp/cache; \
-  fi
+# generate production assets
+RUN SECRET_KEY_BASE=precompile_placeholder RAILS_LOG_TO_STDOUT=enabled bundle exec rake assets:precompile \
+  && rm -rf spec node_modules tmp/cache
 
 # Generate .git_sha file with current commit hash
 RUN echo "wuzapi-v1" > /app/.git_sha