diff --git a/Dockerfile b/Dockerfile
index 0e4d20b..c012c5a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,22 +1,34 @@
-FROM debian:latest
-RUN apt-get update
+# Native amd64
+FROM debian:stable-slim
 ENV DEBIAN_FRONTEND=noninteractive
-RUN apt-get -y install debootstrap \
-                       debian-archive-keyring \
-                       git \
-                       crossbuild-essential-arm64 \
-                       crossbuild-essential-armhf \
-                       qemu-user-static \
-                       device-tree-compiler \
-                       bison \
-                       flex \
-                       python-dev \
-                       swig \
-                       parted \
-                       e2fsprogs \
-                       dosfstools \
-                       mtools \
-                       pwgen
+RUN apt-get update && \
+    apt-get --assume-yes \
+            --no-install-recommends \
+            install debootstrap \
+                    debian-archive-keyring \
+                    ca-certificates \
+                    qemu-user-static \
+                    device-tree-compiler \
+                    gcc \
+                    make \
+                    git \
+                    bc \
+                    bison \
+                    flex \
+                    python-dev \
+                    swig \
+                    parted \
+                    e2fsprogs \
+                    dosfstools \
+                    mtools \
+                    pwgen && \
+    ([ "$(uname -m)" = "x86_64" ] && \
+     apt-get --assume-yes \
+             install gcc-aarch64-linux-gnu \
+                     gcc-arm-linux-gnueabihf) && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    rm -f /var/log/*.log
 ENV PATH="/debimg:${PATH}"
 COPY . /debimg
 WORKDIR /debimg
diff --git a/dockerfiles/Dockerfile.arm32v7 b/dockerfiles/Dockerfile.arm32v7
new file mode 100644
index 0000000..e5faa8b
--- /dev/null
+++ b/dockerfiles/Dockerfile.arm32v7
@@ -0,0 +1,29 @@
+# Native armhf
+FROM arm32v7/debian:stable-slim
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && \
+    apt-get --assume-yes \
+            --no-install-recommends \
+            install debootstrap \
+                    debian-archive-keyring \
+                    ca-certificates \
+                    device-tree-compiler \
+                    gcc \
+                    make \
+                    git \
+                    bc \
+                    bison \
+                    flex \
+                    python-dev \
+                    swig \
+                    parted \
+                    e2fsprogs \
+                    dosfstools \
+                    mtools \
+                    pwgen && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    rm -f /var/log/*.log
+ENV PATH="/debimg:${PATH}"
+COPY . /debimg
+WORKDIR /debimg
diff --git a/dockerfiles/Dockerfile.arm32v7-on-amd64 b/dockerfiles/Dockerfile.arm32v7-on-amd64
new file mode 100644
index 0000000..b5f8e0d
--- /dev/null
+++ b/dockerfiles/Dockerfile.arm32v7-on-amd64
@@ -0,0 +1,40 @@
+# Build host is assumed to have "update-binfmts --enable qemu-arm"
+
+# First get qemu-user-static for host...
+FROM debian:stable-slim as host
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && \
+    apt-get --assume-yes \
+            install qemu-user-static
+
+# ...then build image for target with help of qemu-user-static
+FROM arm32v7/debian:stable-slim
+ENV DEBIAN_FRONTEND=noninteractive
+COPY --from=host /usr/bin/qemu-arm-static /usr/bin/
+RUN apt-get update && \
+    apt-get --assume-yes \
+            --no-install-recommends \
+            install debootstrap \
+                    debian-archive-keyring \
+                    ca-certificates \
+                    device-tree-compiler \
+                    gcc \
+                    make \
+                    git \
+                    bc \
+                    bison \
+                    flex \
+                    python-dev \
+                    swig \
+                    parted \
+                    e2fsprogs \
+                    dosfstools \
+                    mtools \
+                    pwgen && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    rm -f /var/log/*.log
+RUN rm /usr/bin/qemu-arm-static
+ENV PATH="/debimg:${PATH}"
+COPY . /debimg
+WORKDIR /debimg
diff --git a/dockerfiles/Dockerfile.arm64v8 b/dockerfiles/Dockerfile.arm64v8
index e190c31..08ef450 100644
--- a/dockerfiles/Dockerfile.arm64v8
+++ b/dockerfiles/Dockerfile.arm64v8
@@ -1,22 +1,29 @@
-FROM debian:latest
-RUN apt-get update
+# Native arm64
+FROM arm64v8/debian:stable-slim
 ENV DEBIAN_FRONTEND=noninteractive
-RUN apt-get -y install debootstrap \
-                       debian-archive-keyring \
-                       git \
-                       build-essential \
-                       gcc-arm-linux-gnueabihf \
-                       device-tree-compiler \
-                       bc \
-                       bison \
-                       flex \
-                       python-dev \
-                       swig \
-                       parted \
-                       e2fsprogs \
-                       dosfstools \
-                       mtools \
-                       pwgen
+RUN apt-get update && \
+    apt-get --assume-yes \
+            --no-install-recommends \
+            install debootstrap \
+                    debian-archive-keyring \
+                    ca-certificates \
+                    device-tree-compiler \
+                    gcc \
+                    make \
+                    git \
+                    bc \
+                    bison \
+                    flex \
+                    python-dev \
+                    swig \
+                    parted \
+                    e2fsprogs \
+                    dosfstools \
+                    mtools \
+                    pwgen && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    rm -f /var/log/*.log
 ENV PATH="/debimg:${PATH}"
 COPY . /debimg
 WORKDIR /debimg
diff --git a/dockerfiles/Dockerfile.arm64v8-on-amd64 b/dockerfiles/Dockerfile.arm64v8-on-amd64
new file mode 100644
index 0000000..cc458ae
--- /dev/null
+++ b/dockerfiles/Dockerfile.arm64v8-on-amd64
@@ -0,0 +1,40 @@
+# Build host is assumed to have "update-binfmts --enable qemu-aarch64"
+
+# First get qemu-user-static for host...
+FROM debian:stable-slim as host
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && \
+    apt-get --assume-yes \
+            install qemu-user-static
+
+# ...then build image for target with help of qemu-user-static
+FROM arm64v8/debian:stable-slim
+ENV DEBIAN_FRONTEND=noninteractive
+COPY --from=host /usr/bin/qemu-aarch64-static /usr/bin/
+RUN apt-get update && \
+    apt-get --assume-yes \
+            --no-install-recommends \
+            install debootstrap \
+                    debian-archive-keyring \
+                    ca-certificates \
+                    device-tree-compiler \
+                    gcc \
+                    make \
+                    git \
+                    bc \
+                    bison \
+                    flex \
+                    python-dev \
+                    swig \
+                    parted \
+                    e2fsprogs \
+                    dosfstools \
+                    mtools \
+                    pwgen && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    rm -f /var/log/*.log
+RUN rm /usr/bin/qemu-aarch64-static
+ENV PATH="/debimg:${PATH}"
+COPY . /debimg
+WORKDIR /debimg