diff --git a/Makefile b/Makefile
index fa0c7c260..85300ddaf 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 .PHONY: all build build-rust build-go test
 
 # Builds the Rust library libwasmvm
-BUILDERS_PREFIX := cosmwasm/go-ext-builder:0008
+BUILDERS_PREFIX := mandrean/libwasmvm-builder:0007
 # Contains a full Go dev environment in order to run Go tests on the built library
-ALPINE_TESTER := cosmwasm/go-ext-builder:0008-alpine
+ALPINE_TESTER := mandrean/libwasmvm-builder:0007-alpine
 
 USER_ID := $(shell id -u)
 USER_GROUP = $(shell id -g)
diff --git a/builders/Dockerfile.alpine b/builders/Dockerfile.alpine
index c0e27205a..8ce4a8496 100644
--- a/builders/Dockerfile.alpine
+++ b/builders/Dockerfile.alpine
@@ -1,26 +1,33 @@
 # we build with go and rust
 FROM golang:1.15-alpine3.12
 
+RUN apk add --update \
+        ca-certificates \
+        gcc \
+        musl-dev
+
 ENV RUSTUP_HOME=/usr/local/rustup \
     CARGO_HOME=/usr/local/cargo \
-    PATH=/usr/local/cargo/bin:$PATH
+    PATH=/usr/local/cargo/bin:$PATH \
+    RUST_VERSION=1.53.0
 
-# this comes from standard alpine nightly file
-#  https://github.com/rust-lang/docker-rust-nightly/blob/master/alpine3.12/Dockerfile
-# with some changes to support our toolchain, etc
 RUN set -eux; \
-    apk add --no-cache \
-    ca-certificates \
-    build-base;
-
-RUN wget "https://static.rust-lang.org/rustup/dist/x86_64-unknown-linux-musl/rustup-init"
-RUN chmod +x rustup-init
-RUN ./rustup-init -y --no-modify-path --default-toolchain 1.53.0; rm rustup-init
-RUN chmod -R a+w $RUSTUP_HOME $CARGO_HOME
-
-# needed for
-# /usr/lib/gcc/x86_64-alpine-linux-musl/9.3.0/../../../../x86_64-alpine-linux-musl/bin/ld: cannot find crti.o: No such file or directory
-ENV LIBRARY_PATH=/usr/local/rustup/toolchains/1.53.0-x86_64-unknown-linux-musl/lib/rustlib/x86_64-unknown-linux-musl/lib:$LIBRARY_PATH
+    apkArch="$(apk --print-arch)"; \
+    case "$apkArch" in \
+        x86_64) rustArch='x86_64-unknown-linux-musl'; rustupSha256='bdf022eb7cba403d0285bb62cbc47211f610caec24589a72af70e1e900663be9' ;; \
+        aarch64) rustArch='aarch64-unknown-linux-musl'; rustupSha256='89ce657fe41e83186f5a6cdca4e0fd40edab4fd41b0f9161ac6241d49fbdbbbe' ;; \
+        *) echo >&2 "unsupported architecture: $apkArch"; exit 1 ;; \
+    esac; \
+    url="https://static.rust-lang.org/rustup/archive/1.24.3/${rustArch}/rustup-init"; \
+    wget "$url"; \
+    echo "${rustupSha256} *rustup-init" | sha256sum -c -; \
+    chmod +x rustup-init; \
+    ./rustup-init -y --no-modify-path --profile minimal --default-toolchain $RUST_VERSION --default-host ${rustArch}; \
+    rm rustup-init; \
+    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
+    rustup --version; \
+    cargo --version; \
+    rustc --version;
 
 # prepare go cache dirs
 RUN mkdir -p /.cache/go-build
diff --git a/builders/Dockerfile.centos7 b/builders/Dockerfile.centos7
deleted file mode 100644
index 408fa66a5..000000000
--- a/builders/Dockerfile.centos7
+++ /dev/null
@@ -1,36 +0,0 @@
-FROM centos:centos7
-
-RUN yum -y update
-RUN yum -y install clang gcc gcc-c++ make wget
-
-# GET FROM https://github.com/rust-lang/docker-rust-nightly
-ENV RUSTUP_HOME=/usr/local/rustup \
-    CARGO_HOME=/usr/local/cargo \
-    PATH=/usr/local/cargo/bin:$PATH
-
-
-RUN url="https://static.rust-lang.org/rustup/dist/x86_64-unknown-linux-gnu/rustup-init"; \
-    wget "$url"; \
-    chmod +x rustup-init; \
-    ./rustup-init -y --no-modify-path --default-toolchain 1.53.0; \
-    rm rustup-init; \
-    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
-    rustup --version; \
-    cargo --version; \
-    rustc --version;
-
-# allow non-root user to download more deps later
-RUN chmod -R 777 /usr/local/cargo
-
-## COPY BUILD SCRIPTS
-
-WORKDIR /code
-
-COPY guest/*.sh /opt/
-RUN chmod +x /opt/*.sh
-
-RUN mkdir /.cargo
-RUN chmod +rx /.cargo
-COPY guest/cargo-config /.cargo/config
-
-CMD ["/opt/build_linux.sh"]
diff --git a/builders/Dockerfile.debian b/builders/Dockerfile.debian
new file mode 100644
index 000000000..52c31d9d8
--- /dev/null
+++ b/builders/Dockerfile.debian
@@ -0,0 +1,17 @@
+FROM rust:1.53.0-buster
+
+# allow non-root user to download more deps later
+RUN chmod -R 777 /usr/local/cargo
+
+## COPY BUILD SCRIPTS
+
+WORKDIR /code
+
+COPY guest/*.sh /opt/
+RUN chmod +x /opt/*.sh
+
+RUN mkdir /.cargo
+RUN chmod +rx /.cargo
+COPY guest/cargo-config /.cargo/config
+
+CMD ["/opt/build_linux.sh"]
diff --git a/builders/Makefile b/builders/Makefile
index fee05d8f4..aa51b9d1c 100644
--- a/builders/Makefile
+++ b/builders/Makefile
@@ -1,24 +1,57 @@
 # Versioned by a simple counter that is not bound to a specific CosmWasm version
 # See builders/README.md
-BUILDERS_PREFIX := cosmwasm/go-ext-builder:0007
+BUILDERS_PREFIX := mandrean/libwasmvm-builder:0007
 
-.PHONY: docker-image-centos7
-docker-image-centos7:
-	docker build . -t $(BUILDERS_PREFIX)-centos7 -f ./Dockerfile.centos7
+# https://docs.docker.com/buildx/working-with-buildx/
+PLATFORMS = ""
+OUTPUT = "type=docker"
+UNAME_M := $(shell uname -m)
+ifeq ($(UNAME_M),arm64)
+	PLATFORMS = "linux/arm64"
+endif
+ifeq ($(UNAME_M),x86_64)
+	PLATFORMS = "linux/amd64"
+endif
+
+.PHONY: docker-buildx
+docker-buildx:
+	docker buildx inspect --builder builder >>/dev/null 2>&1 || (docker buildx create --name builder)
+	docker buildx use builder >>/dev/null 2>&1
+	docker buildx inspect --bootstrap >>/dev/null 2>&1
+
+.PHONY: docker-image-debian
+docker-image-debian:
+	docker buildx build . \
+		--pull \
+		-t $(BUILDERS_PREFIX)-debian \
+		-f ./Dockerfile.debian \
+		--platform $(PLATFORMS) \
+		--output $(OUTPUT)
 
 .PHONY: docker-image-cross
 docker-image-cross:
-	docker build . -t $(BUILDERS_PREFIX)-cross -f ./Dockerfile.cross
+	docker buildx build . \
+		-t $(BUILDERS_PREFIX)-cross \
+		-f ./Dockerfile.cross \
+		--platform $(PLATFORMS) \
+		--output $(OUTPUT)
 
 .PHONY: docker-image-alpine
 docker-image-alpine:
-	docker build . -t $(BUILDERS_PREFIX)-alpine -f ./Dockerfile.alpine
+	docker buildx build . \
+		-t $(BUILDERS_PREFIX)-alpine \
+		-f ./Dockerfile.alpine \
+		--platform $(PLATFORMS) \
+		--output $(OUTPUT)
 
 .PHONY: docker-images
-docker-images: docker-image-centos7 docker-image-cross docker-image-alpine
+docker-images: docker-image-debian docker-image-cross docker-image-alpine
 
 .PHONY: docker-publish
+docker-publish: OUTPUT="type=registry"
 docker-publish: docker-images
-	docker push $(BUILDERS_PREFIX)-cross
-	docker push $(BUILDERS_PREFIX)-centos7
-	docker push $(BUILDERS_PREFIX)-alpine
+
+.PHONY: docker-publish-multi
+docker-publish-multi: PLATFORMS="linux/arm64,linux/amd64"
+docker-publish-multi: OUTPUT="type=registry"
+docker-publish-multi: docker-images