Merge pull request #155 from kubescape/distroless

use distroless base image

build/Dockerfile

@@ -1,8 +1,6 @@
-FROM --platform=$BUILDPLATFORM golang:1.20-alpine as builder
-
-ENV GO111MODULE=
-ENV CGO_ENABLED=0
+FROM --platform=$BUILDPLATFORM golang:1.20-bullseye as builder
 
+ENV GO111MODULE=on CGO_ENABLED=0
 WORKDIR /work
 ARG TARGETOS TARGETARCH
 
@@ -11,11 +9,10 @@ RUN --mount=target=. \
     --mount=type=cache,target=/go/pkg \
     GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o /out/operator .
 
-FROM alpine
+FROM gcr.io/distroless/static-debian11:nonroot
 
-RUN addgroup -S ks && adduser -S ks -G ks
-USER ks
-WORKDIR /home/ks/
+USER nonroot
+WORKDIR /home/nonroot/
 
 COPY --from=builder /out/operator /usr/bin/operator