diff --git a/.github/workflows/Check.yml b/.github/workflows/Check.yml
new file mode 100644
index 0000000..f3b1e17
--- /dev/null
+++ b/.github/workflows/Check.yml
@@ -0,0 +1,43 @@
+name: Check
+
+on:
+  push:
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+
+  check:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out source code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Get swayimg version
+      run: echo "VERSION=$(git describe --tags --long --always | sed 's/^v//;s/-/./')" >> $GITHUB_OUTPUT
+      id: version
+
+    - name: Build docker image
+      run: docker build --tag swayimg .github/workflows
+
+    - name: Run docker container
+      run: docker run --tty --detach --name=swayimg --volume=$PWD:$PWD:ro --workdir=$PWD swayimg
+
+    - name: Configure
+      run: docker exec swayimg meson setup -Dversion=${{steps.version.outputs.VERSION}} -Dtests=enabled --prefix=/usr /tmp/build
+
+    - name: Compile and link
+      run: docker exec swayimg ninja -C /tmp/build
+
+    - name: Install
+      run: docker exec swayimg env DESTDIR=/tmp/install ninja -C /tmp/build install
+
+    - name: Run installed
+      run: docker exec swayimg /tmp/install/usr/bin/swayimg --version
+
+    - name: Run unit tests
+      run: docker exec swayimg meson test --verbose -C /tmp/build
diff --git a/.github/workflows/Dockerfile b/.github/workflows/Dockerfile
new file mode 100644
index 0000000..a93129c
--- /dev/null
+++ b/.github/workflows/Dockerfile
@@ -0,0 +1,32 @@
+FROM archlinux:latest
+
+RUN pacman --sync --sysupgrade --refresh --refresh --noconfirm \
+    pkgconf \
+    clang \
+    meson \
+    wayland wayland-protocols \
+    gtest \
+    fontconfig \
+    libxkbcommon \
+    libavif \
+    libexif \
+    libheif \
+    libjpeg-turbo \
+    libjxl \
+    librsvg \
+    libtiff \
+    libwebp \
+    openexr
+
+RUN useradd --create-home builder
+
+ENV USER=builder
+ENV HOME=/home/builder
+
+ENV CC="clang"
+ENV CXX="clang++"
+ENV CFLAGS="-g -fsanitize=address"
+ENV CXXFLAGS="-g -fsanitize=address"
+ENV LDFLAGS="-fsanitize=address"
+
+USER builder
diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
deleted file mode 100644
index edb04ae..0000000
--- a/.github/workflows/unittests.yml
+++ /dev/null
@@ -1,54 +0,0 @@
-name: Unit tests
-on: [push, pull_request]
-
-jobs:
-  unittests:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Update package info
-      run: sudo apt update
-    - name: Install dependencies
-      run: >
-          sudo apt install --no-install-recommends --yes
-          build-essential meson pkg-config wayland-protocols
-          libwayland-dev libjson-c-dev libxkbcommon-dev
-          libfreetype-dev libfontconfig-dev
-          libopenexr-dev libgif-dev libheif-dev libavif-dev
-          libjpeg-dev librsvg2-dev libtiff-dev libwebp-dev
-          libgtest-dev cmake
-
-    - name: Install gtest
-      run: |
-          mkdir /tmp/gtest
-          cd /tmp/gtest && cmake /usr/src/gtest && make -j$(nproc)
-          sudo cp /tmp/gtest/lib/* /usr/lib/
-
-    - name: Check out source code
-      uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: Get version
-      run: echo "VERSION=$(git describe --tags --long --always | sed 's/^v//;s/-/./')" >> $GITHUB_OUTPUT
-      id: version
-
-    - name: Build
-      run: |
-        export CC="clang"
-        export CXX="clang++"
-        export CFLAGS="-g -fsanitize=address"
-        export CXXFLAGS="-g -fsanitize=address"
-        export LDFLAGS="-fsanitize=address"
-        meson -Dversion=${{steps.version.outputs.VERSION}} -Dtests=enabled --prefix=/usr ./build
-        ninja -C ./build
-
-    - name: Install
-      run: DESTDIR=install ninja -C ./build install
-
-    - name: Check version
-      run: ./build/install/usr/bin/swayimg --version
-
-    - name: Run unit tests
-      run: meson test --verbose -C ./build