diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 000000000..84c47816e
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,695 @@
+name: freedomofpress/dangerzone/build
+on:
+  push:
+    branches:
+      - main
+jobs:
+  run-lint:
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bookworm
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install dev. dependencies
+        run: |-
+          apt-get update
+          apt-get install -y git make python3 python3-poetry --no-install-recommends
+          poetry install --no-ansi --only lint,test
+      - name: Run linters to enforce code style
+        run: poetry run make lint
+      - name: Check that the QA script is up to date with the docs
+        run: "./dev_scripts/qa.py --check-refs"
+  build-container-image:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path: |-
+            /caches/container.tar.gz
+            /caches/image-id.txt
+      - name: Build Dangerzone image
+        run: |-
+          if [ -f "/caches/container.tar.gz" ]; then
+            echo "Already cached, skipping"
+          else
+            sudo pip3 install poetry
+            python3 ./install/common/build-image.py
+          fi
+      - name: Save Dangerzone image and image-id.txt to cache
+        run: |-
+          if [ -f "/caches/container.tar.gz" ]; then
+            echo "Already cached, skipping"
+          else
+            mkdir -p /caches
+            podman save -o /caches/container.tar dangerzone.rocks/dangerzone
+            gzip -f /caches/container.tar
+            podman image ls dangerzone.rocks/dangerzone | grep "dangerzone.rocks/dangerzone" | tr -s ' ' | cut -d' ' -f3 > /caches/image-id.txt
+          fi
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+  convert-test-docs:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Install poetry dependencies
+        run: |-
+          sudo pip3 install poetry
+          # This flag is important, due to an open upstream Poetry issue:
+          # https://github.com/python-poetry/poetry/issues/7184
+          poetry install --no-ansi
+      - name: Install test dependencies
+        run: sudo apt-get install -y libqt5gui5 libxcb-cursor0 --no-install-recommends
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: run automated tests
+        run: poetry run make test
+  ci-ubuntu-noble:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro ubuntu --version 24.04 build-dev"
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro ubuntu --version 24.04 run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  ci-ubuntu-mantic:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro ubuntu --version 23.10 build-dev"
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro ubuntu --version 23.10 run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  ci-ubuntu-jammy:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro ubuntu --version 22.04 build-dev"
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro ubuntu --version 22.04 run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  ci-ubuntu-focal:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro ubuntu --version 20.04 build-dev"
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro ubuntu --version 20.04 run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  ci-debian-trixie:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro debian --version trixie build-dev"
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro debian --version trixie run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  ci-debian-bookworm:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro debian --version bookworm build-dev"
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro debian --version bookworm run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  ci-debian-bullseye:
+    runs-on: ubuntu-latest
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Configure Podman for Ubuntu 22.04
+        run: |-
+          # This config circumvents the following issues:
+          # * https://github.com/containers/podman/issues/6368
+          # * https://github.com/containers/podman/issues/10987
+          mkdir -p ~/.config/containers
+          cat > ~/.config/containers/containers.conf \<<EOF
+          [engine]
+          cgroup_manager="cgroupfs"
+          events_logger="file"
+          EOF
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro debian --version bullseye build-dev"
+      - name: Configure Podman for Debian Bullseye
+        run: |-
+          # Copy the Podman config into the container image we created for the
+          # Dangerzone environment.
+          cp ~/.config/containers/containers.conf containers.conf
+          cat > Dockerfile.bullseye \<<EOF
+          FROM dangerzone.rocks/build/debian:bullseye-backports
+          RUN mkdir -p /home/user/.config/containers
+          COPY containers.conf /home/user/.config/containers/
+          EOF
+          # Create a new image from the Dangerzone environment and re-tag it.
+          podman build -t dangerzone.rocks/build/debian:bullseye-backports \
+              -f Dockerfile.bullseye .
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro debian --version bullseye run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  ci-fedora-40:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro fedora --version 40 build-dev"
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro fedora --version 40 run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  ci-fedora-39:
+    runs-on: ubuntu-20.04
+    needs:
+      - build-container-image
+    steps:
+      - uses: actions/checkout@v4.1.0
+      - name: Install Podman in Ubuntu Focal
+        run: "./install/linux/install-podman-ubuntu-focal.sh"
+      - name: Prepare cache directory
+        run: |-
+          sudo mkdir -p /caches
+          sudo chown -R $USER:$USER /caches
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Prepare Dangerzone environment
+        run: "./dev_scripts/env.py --distro fedora --version 39 build-dev"
+      - name: Run CI tests
+        run: |-
+          ./dev_scripts/env.py --distro fedora --version 39 run --dev \
+              bash -c 'cd dangerzone; poetry run make test'
+  build-ubuntu-mantic:
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:23.10
+    needs:
+      - build-container-image
+    steps:
+      - name: Install dependencies (deb)
+        run: |-
+          export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+          apt-get update
+          apt-get install -y dh-python python3 python3-stdeb
+      - uses: actions/checkout@v4.1.0
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Build the .deb package
+        run: |-
+          ./install/linux/build-deb.py
+          ls -lh deb_dist/
+  build-ubuntu-jammy:
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:22.04
+    needs:
+      - build-container-image
+    steps:
+      - name: Install dependencies (deb)
+        run: |-
+          export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+          apt-get update
+          apt-get install -y dh-python python3 python3-stdeb
+      - uses: actions/checkout@v4.1.0
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Build the .deb package
+        run: |-
+          ./install/linux/build-deb.py
+          ls -lh deb_dist/
+  build-ubuntu-focal:
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:20.04
+    needs:
+      - build-container-image
+    steps:
+      - name: Install dependencies (deb)
+        run: |-
+          export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+          apt-get update
+          apt-get install -y dh-python python3 python3-stdeb
+      - name: Install python-all package
+        run: |-
+          export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+          apt-get update
+          apt-get install -y python-all
+      - uses: actions/checkout@v4.1.0
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Build the .deb package
+        run: |-
+          ./install/linux/build-deb.py
+          ls -lh deb_dist/
+  build-debian-bullseye:
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bullseye
+    needs:
+      - build-container-image
+    steps:
+      - name: Install dependencies (deb)
+        run: |-
+          export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+          apt-get update
+          apt-get install -y dh-python python3 python3-stdeb
+      - uses: actions/checkout@v4.1.0
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Build the .deb package
+        run: |-
+          ./install/linux/build-deb.py
+          ls -lh deb_dist/
+  build-debian-bookworm:
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bookworm
+    needs:
+      - build-container-image
+    steps:
+      - name: Install dependencies (deb)
+        run: |-
+          export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+          apt-get update
+          apt-get install -y dh-python python3 python3-stdeb
+      - uses: actions/checkout@v4.1.0
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Build the .deb package
+        run: |-
+          ./install/linux/build-deb.py
+          ls -lh deb_dist/
+  build-fedora-40:
+    runs-on: ubuntu-latest
+    container:
+      image: fedora:40
+    needs:
+      - build-container-image
+    steps:
+      - name: Install dependencies (rpm)
+        run: |-
+          dnf install -y rpm-build python3 python3-devel python3-poetry-core pipx
+          pipx install poetry
+      - uses: actions/checkout@v4.1.0
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Build the .rpm package
+        run: |-
+          PATH=/root/.local/bin:$PATH ./install/linux/build-rpm.py
+          ls -lh dist/
+      - name: Build the Qubes .rpm package
+        run: |-
+          PATH=/root/.local/bin:$PATH ./install/linux/build-rpm.py --qubes
+          ls -lh dist/
+  build-fedora-39:
+    runs-on: ubuntu-latest
+    container:
+      image: fedora:39
+    needs:
+      - build-container-image
+    steps:
+      - name: Install dependencies (rpm)
+        run: |-
+          dnf install -y rpm-build python3 python3-devel python3-poetry-core pipx
+          pipx install poetry
+      - uses: actions/checkout@v4.1.0
+      - name: Caculating container cache key
+        run: |-
+          mkdir -p /caches/
+          cd dangerzone/conversion/
+          cat common.py doc_to_pixels.py pixels_to_pdf.py | sha1sum | cut -d' ' -f1 > /caches/cache-id.txt
+          cd ../../
+      - name: restore_cache
+        uses: actions/cache@v3.3.2
+        with:
+          key: v1-{{ checksum "Dockerfile" }}-{{ checksum "/caches/cache-id.txt" }}
+          path:
+            - "/caches/container.tar.gz"
+            - "/caches/image-id.txt"
+      - name: Copy container image into package
+        run: |-
+          cp /caches/container.tar.gz share/
+          cp /caches/image-id.txt share/
+      - name: Build the .rpm package
+        run: |-
+          PATH=/root/.local/bin:$PATH ./install/linux/build-rpm.py
+          ls -lh dist/
+      - name: Build the Qubes .rpm package
+        run: |-
+          PATH=/root/.local/bin:$PATH ./install/linux/build-rpm.py --qubes
+          ls -lh dist/