diff --git a/docker/substrate_builder.Dockerfile b/docker/substrate_builder.Dockerfile
index 03b6b46caf41f..8c00234b8468c 100644
--- a/docker/substrate_builder.Dockerfile
+++ b/docker/substrate_builder.Dockerfile
@@ -6,30 +6,42 @@ COPY . /substrate
 RUN cargo build --locked --release
 
 # This is the 2nd stage: a very small image where we copy the Substrate binary."
-FROM docker.io/library/ubuntu:20.04
+FROM docker.io/library/alpine:3.17
 LABEL description="Multistage Docker image for Substrate: a platform for web3" \
 	io.parity.image.type="builder" \
 	io.parity.image.authors="chevdor@gmail.com, devops-team@parity.io" \
 	io.parity.image.vendor="Parity Technologies" \
 	io.parity.image.description="Substrate is a next-generation framework for blockchain innovation 🚀" \
-	io.parity.image.source="https://github.com/paritytech/polkadot/blob/${VCS_REF}/docker/substrate_builder.Dockerfile" \
-	io.parity.image.documentation="https://github.com/paritytech/polkadot/"
+	io.parity.image.source="https://github.com/paritytech/substrate/blob/${VCS_REF}/docker/substrate_builder.Dockerfile" \
+	io.parity.image.documentation="https://github.com/paritytech/substrate/blob/${VCS_REF}/docker/README.md"
 
 COPY --from=builder /substrate/target/release/substrate /usr/local/bin
 COPY --from=builder /substrate/target/release/subkey /usr/local/bin
 COPY --from=builder /substrate/target/release/node-template /usr/local/bin
 COPY --from=builder /substrate/target/release/chain-spec-builder /usr/local/bin
 
-RUN useradd -m -u 1000 -U -s /bin/sh -d /substrate substrate && \
+ENV GLIBC_REPO=https://github.com/sgerrand/alpine-pkg-glibc
+ENV GLIBC_VERSION=2.34-r0
+
+RUN apk update --no-cache && \
+	apk add --no-cache git curl binutils && \
+	curl -sL https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub -o /etc/apk/keys/sgerrand.rsa.pub && \
+	curl -sLO "${GLIBC_REPO}/releases/download/${GLIBC_VERSION}/glibc-${GLIBC_VERSION}.apk" && \
+	curl -sLO "${GLIBC_REPO}/releases/download/${GLIBC_VERSION}/glibc-bin-${GLIBC_VERSION}.apk" && \
+	apk add --force-overwrite --no-cache glibc-${GLIBC_VERSION}.apk glibc-bin-${GLIBC_VERSION}.apk && \
+	addgroup --gid 1000 sgrp && \
+	adduser -D -u 1000 -G sgrp -s /bin/sh -h /substrate -g "" susr sgrp && \
 	mkdir -p /data /substrate/.local/share/substrate && \
-	chown -R substrate:substrate /data && \
+	chown -R susr:sgrp /data && \
 	ln -s /data /substrate/.local/share/substrate && \
 # Sanity checks
-	ldd /usr/local/bin/substrate && \
+	#ldd /usr/local/bin/substrate && \
 # unclutter and minimize the attack surface
 	rm -rf /usr/bin /usr/sbin && \
+	rm -rf /var/cache/apk/* && \
+	rm -rf /etc/apk/* && \
 	/usr/local/bin/substrate --version
 
-USER substrate
+USER susr
 EXPOSE 30333 9933 9944 9615
 VOLUME ["/data"]