Rewrite the Dockerfile entirely

Dockerfile

-FROM golang:1.22 AS golangbuild
-ARG TARGETARCH
+FROM golang:1.22
 WORKDIR /usr/src/app
 COPY go.mod go.sum ./
 RUN go mod download && go mod verify
 COPY . .
-RUN make
-
-# This builder stage it's only because we need a command
-# to create a symlink and reduce the size of the image
-FROM gcr.io/distroless/static-debian11:debug-nonroot AS builder
-ARG TARGETARCH
-
-SHELL ["/busybox/sh", "-c"]
-COPY --from=golangbuild --chown=nonroot:nonroot --chmod=0755 /usr/src/app/bin/manager bin/
-RUN ln -sf bin/manager_${TARGETARCH} manager
-
-FROM gcr.io/distroless/static-debian12:nonroot
-ARG VERSION="dev"
-ARG TARGETARCH
-
-ENV SUMMARY="CloudNativePG Operator Container Image." \
-    DESCRIPTION="This Docker image contains CloudNativePG Operator."
-
-LABEL summary="$SUMMARY" \
-      description="$DESCRIPTION" \
-      io.k8s.display-name="$SUMMARY" \
-      io.k8s.description="$DESCRIPTION" \
-      name="CloudNativePG Operator" \
-      vendor="CloudNativePG Contributors" \
-      url="https://cloudnative-pg.io/" \
-      version="$VERSION" \
-      release="1"
-
-WORKDIR /
-
-# Needs to copy the entire content, otherwise, it will not
-# copy the symlink properly.
-COPY --from=builder /home/nonroot/ .
-USER 65532:65532
-
+RUN make build \
+ && mv bin/manager /
 ENTRYPOINT ["/manager"]