build(docker): adds licensefiles (#633)

Dockerfile

@@ -4,16 +4,26 @@
 # **********************************************************************
 
 FROM golang:1.23-alpine@sha256:d0b31558e6b3e4cc59f6011d79905835108c919143ebecc58f35965bf79948f4 as builder
-RUN apk update
-RUN apk upgrade
-RUN apk add --no-cache git
+
+RUN apk update && apk upgrade && apk add --no-cache git
+
 WORKDIR /rpc
 COPY . .
-RUN CGO_ENABLED=0 LDFLAGS="-s -w" GOOS=linux GOARCH=amd64 go build -o /build/rpc ./cmd/main.go
 
+# Install go-licenses
+RUN go install github.com/google/go-licenses@latest
+
+# Generate license files
+RUN go-licenses save ./... --include_tests --save_path=licensefiles
+
+# Build rpc
+RUN CGO_ENABLED=0 LDFLAGS="-s -w" GOOS=linux GOARCH=amd64 go build -o /build/rpc ./cmd/main.go
 
 FROM scratch
 LABEL license='SPDX-License-Identifier: Apache-2.0' \
       copyright='Copyright (c) Intel Corporation 2021'
+
 COPY --from=builder /build/rpc /rpc
+COPY --from=builder /rpc/licensefiles /licensefiles
+
 ENTRYPOINT ["/rpc"]