diff --git a/.github/workflows/build-containers.yml b/.github/workflows/build-containers.yml
new file mode 100644
index 0000000..af450f3
--- /dev/null
+++ b/.github/workflows/build-containers.yml
@@ -0,0 +1,59 @@
+name: build-containers
+
+on:
+  push:
+#    branches: [ main ]
+#    paths-ignore:
+#      - '**.adoc'
+    tags:     [ 'v*' ]
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: '${{ github.workflow }}-${{ github.job }}-${{ github.head_ref || github.ref_name }}'
+  cancel-in-progress: true
+
+jobs:
+  build-containers:
+    name: ${{ matrix.container }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        container:
+          - 'ubuntu-20.04'
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ghcr.io
+          username: tamatebako
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+        with:
+          context: .
+          file: ./${{ matrix.container }}.Dockerfile
+          push: ${{ contains(github.ref, 'refs/tags/v') }}
+          tags: ghcr.io/tamatebako/tebako-${{ matrix.container }}
+          labels: |
+            latest
+            "org.opencontainers.image.source=${{ github.repositoryUrl }}"
+
+      - name: Purge old versions
+        if: contains(github.ref, 'refs/tags/v')
+        continue-on-error: true
+        uses: actions/delete-package-versions@v4
+        with:
+          package-name: 'tebako-${{ matrix.container }}'
+          package-type: 'container'
+          min-versions-to-keep: 1
+          delete-only-untagged-versions: 'true'
\ No newline at end of file
diff --git a/tools/tools.sh b/tools/tools.sh
new file mode 100755
index 0000000..ac825fd
--- /dev/null
+++ b/tools/tools.sh
@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Copyright (c) 2024 [Ribose Inc](https://www.ribose.com).
+# All rights reserved.
+# This file is a part of tamatebako
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+set -o errexit -o pipefail -o noclobber -o nounset
+
+: "${LOCAL_BUILDS:=/tmp/tebako}"
+: "${CMAKE_VERSION:=3.24.4-1}"
+: "${RUBY_VERSION:=3.1.6}"
+: "${RUBY_INSTALL_VERSION:=0.9.3}"
+: "${ARCH:=x64}"
+
+install_cmake() {
+  echo "Running install_cmake for CMake version ${CMAKE_VERSION} for ${ARCH}"
+  local cmake_install=${LOCAL_BUILDS}/cmake
+  mkdir -p ${cmake_install}
+  pushd ${cmake_install}
+  wget -nv https://github.com/xpack-dev-tools/cmake-xpack/releases/download/v${CMAKE_VERSION}/xpack-cmake-${CMAKE_VERSION}-linux-${ARCH}.tar.gz
+  tar -zxf xpack-cmake-${CMAKE_VERSION}-linux-${ARCH}.tar.gz --directory /usr --strip-components=1 --skip-old-files
+  popd
+  rm -rf ${cmake_install}
+}
+
+install_ruby() {
+  echo "Running ruby_install version ${RUBY_INSTALL_VERSION} for Ruby ${RUBY_VERSION}"
+  local ruby_install=${LOCAL_BUILDS}/ruby_install
+  mkdir -p ${ruby_install}
+  pushd ${ruby_install}
+  wget -nv https://github.com/postmodern/ruby-install/releases/download/v${RUBY_INSTALL_VERSION}/ruby-install-${RUBY_INSTALL_VERSION}.tar.gz && \
+  tar -xzvf ruby-install-${RUBY_INSTALL_VERSION}.tar.gz
+  cd ruby-install-${RUBY_INSTALL_VERSION}
+  make install
+  ruby-install --system ruby ${RUBY_VERSION} -- CC=${CC}
+  popd
+  rm -rf ${ruby_install}
+}
+
+DIR0=$( dirname "$0" )
+DIR_TOOLS=$( cd "$DIR0" && pwd )
+
+echo "Running tools.sh with args: $@, DIR_TOOLS: ${DIR_TOOLS}"
+
+"$@"
diff --git a/ubuntu-20.04.Dockerfile b/ubuntu-20.04.Dockerfile
new file mode 100644
index 0000000..be05664
--- /dev/null
+++ b/ubuntu-20.04.Dockerfile
@@ -0,0 +1,58 @@
+# Copyright (c) 2024 [Ribose Inc](https://www.ribose.com).
+# All rights reserved.
+# This file is a part of tamatebako
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+FROM ubuntu:focal
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV TZ=Etc/UTC
+ENV ARCH=x64
+
+RUN apt-get -y update
+RUN apt-get -y install sudo wget git make clang-12 clang++-12                 \
+    binutils-dev libevent-dev acl-dev libfmt-dev libjemalloc-dev              \
+    libdouble-conversion-dev libiberty-dev liblz4-dev liblzma-dev libssl-dev  \
+    libboost-filesystem-dev libboost-program-options-dev libboost-system-dev  \
+    libboost-iostreams-dev  libboost-date-time-dev libboost-context-dev       \
+    libboost-regex-dev libboost-thread-dev libbrotli-dev libunwind-dev        \
+    libdwarf-dev libelf-dev libgoogle-glog-dev libffi-dev libgdbm-dev         \
+    libyaml-dev libncurses-dev libreadline-dev libutfcpp-dev
+
+ENV CC=clang-12
+ENV CXX=clang++-12
+
+COPY tools /opt/tools
+
+RUN /opt/tools/tools.sh install_cmake && \
+    /opt/tools/tools.sh install_ruby
+
+RUN gem install tebako
+
+RUN adduser --disabled-password --gecos "" tebako && \
+    printf "\ntebako\tALL=(ALL)\tNOPASSWD:\tALL" > /etc/sudoers.d/tebako
+
+ENV HOME=/home/tebako
+USER tebako
+
+RUN cd $HOME && tebako setup -p .tebako