fix(Makefile, Dockerfile): optimization of the container image building process

Dockerfile

@@ -1,3 +1,20 @@
-FROM busybox:latest
-COPY bin/linux/amd64/flucky /usr/bin/flucky
-ENTRYPOINT [ "/usr/bin/flucky" ]
+# ARGs
+# ==================================
+ARG BASE_IMAGE
+ARG BUILD_IMAGE
+ARG EXECUTABLE
+ARG EXECUTABLE_TARGET
+ARG GOPROXY
+ARG GOPRIVATE
+ARG VERSION
+
+# BUILD
+# ==================================
+FROM ${BUILD_IMAGE} AS build
+COPY . /workspace
+RUN make ${EXECUTABLE_TARGET} VERSION=${VERSION} GOPROXY=${GOPROXY} GOPRIVATE=${GOPRIVATE}
+
+# TARGET
+# ==================================
+FROM ${BASE_IMAGE}
+COPY --from=build /workspace/${EXECUTABLE_TARGET} /usr/bin/${EXECUTABLE}