diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
deleted file mode 100644
index 3314705..0000000
--- a/.github/workflows/docker-publish.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-name: Docker
-
-on:
-  push:
-    branches:
-      - master
-      - Dockerfile-use-installer
-  pull_request:
-    branches:
-      - master
-      - Dockerfile-use-installer
-  workflow_dispatch:
-
-env:
-  IMAGE_NAME: fomu-toolchain
-
-jobs:
-  push:
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push'
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Build image
-        run: docker build ./dockerfiles --file dockerfiles/Dockerfile.use-installer --tag $IMAGE_NAME
-
-      - name: Log into registry
-        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin
-  
-      - name: Push image
-        run: |
-          IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/$IMAGE_NAME
-  
-          # Change all uppercase to lowercase
-          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-  
-          # Strip git ref prefix from version
-          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-  
-          # Strip "v" prefix from tag name
-          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
-  
-          # Use Docker `latest` tag convention
-          [ "$VERSION" == "master" ] && VERSION=latest
-  
-          echo IMAGE_ID=$IMAGE_ID
-          echo VERSION=$VERSION
-  
-          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
-          docker push $IMAGE_ID:$VERSION
\ No newline at end of file
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 5461572..146a27d 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -9,6 +9,7 @@ on:
 
 jobs:
 
+
   run:
     strategy:
         fail-fast: false
@@ -121,3 +122,50 @@ jobs:
         token: ${{ github.token }}
         tag: nightly
         files: ./**
+
+
+  container:
+    if: github.event_name != 'pull_request' && (github.ref == 'refs/heads/master' || contains(github.ref, 'refs/tags/'))
+    needs: [ test ]
+    runs-on: ubuntu-latest
+    env:
+      IMAGE_NAME: fomu-toolchain
+
+    steps:
+
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - uses: actions/download-artifact@v2
+      with:
+        name: fomu-toolchain-Linux
+
+    - name: Build image
+      run: docker build -t $IMAGE_NAME -f Dockerfile .
+
+    - name: Login to docker.io
+      uses: docker/login-action@v1
+      with:
+        registry: docker.pkg.github.com
+        username: "${{ github.actor }}"
+        password: "${{ github.token }}"
+
+    - name: Push image
+      run: |
+        IMAGE_ID=$(echo "docker.pkg.github.com/${{ github.repository }}/$IMAGE_NAME" | tr '[A-Z]' '[a-z]')
+
+        # Strip git ref prefix from version
+        VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+        # Strip "v" prefix from tag name
+        [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+        # Use Docker `latest` tag convention
+        [ "$VERSION" == "master" ] && VERSION=latest
+
+        echo IMAGE_ID=$IMAGE_ID
+        echo VERSION=$VERSION
+
+        docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+        docker push $IMAGE_ID:$VERSION
diff --git a/dockerfiles/99-fomu.rules b/99-fomu.rules
similarity index 100%
rename from dockerfiles/99-fomu.rules
rename to 99-fomu.rules
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..e1db57a
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,24 @@
+FROM python:3-slim-buster
+
+RUN apt-get update -qq \
+ && DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends \
+    ca-certificates \
+    libusb-1.0-0 \
+    make \
+ && apt-get autoclean && apt-get clean && apt-get -y autoremove \
+ && update-ca-certificates \
+ && rm -rf /var/lib/apt/lists
+
+ADD fomu-toolchain-Linux.tar.gz /opt
+
+ENV PATH=/opt/fomu-toolchain-Linux/bin:$PATH
+
+ENV USER=fomu
+RUN adduser --disabled-password ${USER}
+
+RUN usermod -a -G plugdev ${USER}
+
+COPY 99-fomu.rules /etc/udev/rules.d/
+
+USER ${USER}
+WORKDIR /home/${USER}
diff --git a/dockerfiles/Dockerfile.use-installer b/dockerfiles/Dockerfile.use-installer
deleted file mode 100644
index 0f47089..0000000
--- a/dockerfiles/Dockerfile.use-installer
+++ /dev/null
@@ -1,76 +0,0 @@
-ARG IMAGE="python:3-slim-buster"
-
-#---
-# Place anything that is common to both the build and execution environment in base 
-#
-FROM $IMAGE AS base
-
-RUN apt-get update -qq \
- && DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends \
-    ca-certificates \
-    git \
-    libusb-1.0-0 \
-    make \
-    wget \
- && apt-get autoclean && apt-get clean && apt-get -y autoremove \
- && update-ca-certificates \
- && rm -rf /var/lib/apt/lists
-
-# FROM base as builder 
-# Install necessary tools and source code and build from source here for ci/cd
-# If any build or test return a non-zero exit code, the docker build stops
-# with an error, which is nice for ci/cd like github actions.
-
-# FROM builder as test-builder
-# Run regression tests on binaries built from source here
-
-# FROM builder as installer
-# use COPY --from=builder to get the binaries from builder stage and
-# create an installer from those binaries built from source here
-
-FROM base as release-candidate
-# use COPY --from=builder to copy binaries into the right place here if built from source, 
-# or copy the installer with COPY --from=installer 
-# or use the pre-built released installer as we do here:
-RUN wget https://github.com/im-tomu/fomu-toolchain/releases/download/v1.5.6/fomu-toolchain-linux_x86_64-v1.5.6.tar.gz && \
-    tar -xvf fomu-toolchain-linux_x86_64-v1.5.6.tar.gz && \
-    rm fomu-toolchain-linux_x86_64-v1.5.6.tar.gz
- 
-ENV PATH=/fomu-toolchain-linux_x86_64-v1.5.6/bin:$PATH
-
-ENV USER=fomu
-RUN adduser --disabled-password ${USER}
-# RUN groupadd plugdev # error - already exists
-RUN usermod -a -G plugdev ${USER}
-COPY 99-fomu.rules /etc/udev/rules.d/99-fomu.rules
-# RUN udevadm control --reload-rules
-# RUN udevadm trigger
-USER ${USER}
-WORKDIR /home/${USER}
-
-# FROM release-candidate as test-release-candidate
-# Run any tests on final image here 
-
-
-FROM release-candidate as fomu-toolchain
-
-# Below are some sample commands to build and run a docker images.
-# Execute the docker build commands from within the dockerfiles folder.
-# 
-# docker build -f Dockerfile.use-installer . -t fomu-toolchain
-#
-# Execute the docker run commands from the fomu-workshop folder
-# or from your own project's folder as appropriate.
-#
-# docker run -it -v $(pwd):/home/fomu fomu-toolchain bash
-#
-# The --privileged param may be used to allow access to usb devices
-# but it allows access to much more, and may be a security risk.
-# There may be a better way to allow dfu-util and wishbone-tool to run 
-# docker run -it -v $(pwd):/home/fomu --privileged fomu-toolchain bash
-# 
-# On my old laptop running ubuntu 20.04, I need to re-run the docker 
-# container after using dfu-util in order to use it again or to use
-# wishbone-tool.  Perhaps I am missing a dependency here?  I installed
-# udev and dfu-util above just to see if that would pull in something
-# I missed, but I don't think it helped.  I removed them again.