Fix for Dockerfile smell DL3059 (#951)

Signed-off-by: Giovanni Rosa <[email protected]>

Author: grosa1

Dockerfile

@@ -1,11 +1,11 @@
 ARG GO_VERSION
 FROM golang:${GO_VERSION}-alpine AS builder
-RUN apk add --no-cache ca-certificates make git curl gcc libc-dev
-RUN mkdir -p /build
+RUN apk add --no-cache ca-certificates make git curl gcc libc-dev \
+    && mkdir -p /build
 WORKDIR /build
 COPY . /build/
-RUN go mod download
-RUN make build-linux
+RUN go mod download \
+    && make build-linux
 
 FROM golang:${GO_VERSION}-alpine 
 RUN apk add --no-cache ca-certificates bash git gcc libc-dev openssh