diff --git a/Dockerfile b/Dockerfile
index 975cca65..4d993447 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,13 @@
 FROM golang:1.13-alpine
+
+RUN mkdir /user && \
+    echo 'nobody:x:65534:65534:nobody:/:' > /user/passwd && \
+    echo 'nobody:x:65534:' > /user/group
+
 ENV GO111MODULE=on
-RUN apk --no-cache add make git gcc libtool musl-dev
+RUN apk --no-cache add make git gcc libtool musl-dev ca-certificates && \
+    rm -rf /var/cache/apk/* /tmp/*
+
 WORKDIR /
-COPY go.mod .
-COPY go.sum .
+COPY ./go.mod ./go.sum ./
 RUN go mod download && rm go.mod go.sum