diff --git a/.drone.yml b/.drone.yml
index a5119a0..6b55055 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -3,12 +3,33 @@ kind: pipeline
 name: default
 
 steps:
-- name: docker
+- name: default
   image: plugins/docker
   settings:
     repo: ldericher/autodoc
-    auto_tag: true
     username:
       from_secret: DOCKER_USERNAME
     password:
       from_secret: DOCKER_PASSWORD
+    auto_tag: true
+    dockerfile: Dockerfile.alpine
+    target: stage-base
+
+- name: diagram
+  image: plugins/docker
+  settings:
+    repo: ldericher/autodoc
+    username:
+      from_secret: DOCKER_USERNAME
+    password:
+      from_secret: DOCKER_PASSWORD
+    auto_tag: true
+    auto_tag_suffix: -diagram
+    dockerfile: Dockerfile.ubuntu
+    target: stage-diagram
+  
+- name: parallelism provider
+  image: alpine
+  depends_on:
+    - default
+    - diagram
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index faacd0c..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM pandoc/extra:latest
-
-RUN set -ex; \
-    \
-    apk add --no-cache \
-      bash \
-      ghostscript \
-      inotify-tools \
-      make \
-    ; \
-    \
-    tlmgr install \
-      kpfonts \
-      lastpage \
-      latexmk \
-    ;
-
-COPY src/usr /usr
-
-WORKDIR /docs
-ENTRYPOINT ["autodoc"]
-CMD ["-bw"]
diff --git a/Dockerfile.alpine b/Dockerfile.alpine
new file mode 100644
index 0000000..312b5db
--- /dev/null
+++ b/Dockerfile.alpine
@@ -0,0 +1,48 @@
+FROM pandoc/extra:latest AS stage-base
+
+RUN set -ex; \
+    \
+    apk add --no-cache \
+      bash \
+      ghostscript \
+      inotify-tools \
+      make \
+    ; \
+    \
+    tlmgr install \
+      kpfonts \
+      lastpage \
+      latexmk \
+    ;
+
+COPY src/usr /usr
+
+WORKDIR /docs
+ENTRYPOINT ["autodoc"]
+CMD ["-bw"]
+
+FROM stage-base AS stage-diagram
+
+ENV PUPPETEER_CACHE_DIR="/usr/local/share/puppeteer/cache" \
+    PUPPETEER_EXECUTABLE_PATH="/usr/bin/chromium-browser" \
+    PUPPETEER_SKIP_CHROMIUM_DOWNLOAD="true"
+
+COPY src/diagram.lua.patch /usr/local/src/autodoc/diagram.lua.patch
+
+RUN set -ex; \
+    \
+    apk add --no-cache \
+      chromium \
+      npm \
+      patch \
+    ; \
+    \
+    npm install --global @mermaid-js/mermaid-cli; \
+    # rm -rf /root/.cache/puppeteer; \
+    \
+    wget \
+      --output-document='/usr/local/share/pandoc/filters/diagram.lua' \
+      'https://raw.githubusercontent.com/pandoc-ext/diagram/refs/heads/main/_extensions/diagram/diagram.lua' \
+    ; \
+    patch /usr/local/share/pandoc/filters/diagram.lua < /usr/local/src/autodoc/diagram.lua.patch; \
+    rm /usr/local/src/autodoc/diagram.lua.patch;
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
new file mode 100644
index 0000000..0079be1
--- /dev/null
+++ b/Dockerfile.ubuntu
@@ -0,0 +1,55 @@
+FROM pandoc/extra:latest-ubuntu AS stage-base
+
+RUN set -ex; \
+    \
+    deluser --remove-home ubuntu; \
+    \
+    apt-get update; apt-get install --no-install-recommends --yes \
+      ghostscript \
+      inotify-tools \
+      make \
+    ; rm -rf /var/lib/apt/lists/*; \
+    \
+    tlmgr install \
+      kpfonts \
+      lastpage \
+      latexmk \
+    ;
+
+COPY src/usr /usr
+
+WORKDIR /docs
+ENTRYPOINT ["autodoc"]
+CMD ["-bw"]
+
+FROM stage-base AS stage-diagram
+
+ENV PUPPETEER_CACHE_DIR="/usr/local/share/puppeteer/cache"
+
+COPY src/diagram.lua.patch /usr/local/src/autodoc/diagram.lua.patch
+
+RUN set -ex; \
+    \
+    apt-get update; apt-get install --no-install-recommends --yes \
+      libasound2t64 \
+      libatk1.0-0t64 \
+      libatk-bridge2.0-0t64 \
+      libgbm1 \
+      libnss3 \
+      libxcomposite1 \
+      libxdamage1 \
+      libxfixes3 \
+      libxkbcommon0 \
+      libxrandr2 \
+      npm \
+      patch \
+    ; rm -rf /var/lib/apt/lists/*; \
+    \
+    npm install --global @mermaid-js/mermaid-cli; \
+    \
+    wget \
+      --output-document='/usr/local/share/pandoc/filters/diagram.lua' \
+      'https://raw.githubusercontent.com/pandoc-ext/diagram/refs/heads/main/_extensions/diagram/diagram.lua' \
+    ; \
+    patch /usr/local/share/pandoc/filters/diagram.lua < /usr/local/src/autodoc/diagram.lua.patch; \
+    rm /usr/local/src/autodoc/diagram.lua.patch;
diff --git a/Makefile b/Makefile
deleted file mode 100644
index de98246..0000000
--- a/Makefile
+++ /dev/null
@@ -1,28 +0,0 @@
-image_tag = ldericher/autodoc
-docker_build = docker build
-docker_run = docker run --rm -it
-examples_flags = -v "$(shell pwd)/examples:/docs" -u "$(shell id -u):$(shell id -g)"
-
-.PHONY: default
-default:
-	$(info use other targets: image build watch shell clean)
-
-.PHONY: image
-image:
-	$(docker_build) --tag $(image_tag) ./
-
-.PHONY: build
-build: image
-	$(docker_run) $(examples_flags) $(image_tag) -b
-
-.PHONY: watch
-watch: image
-	$(docker_run) $(examples_flags) $(image_tag)
-
-.PHONY: shell
-shell: image
-	$(docker_run) $(examples_flags) --entrypoint ash $(image_tag)
-
-.PHONY: clean
-clean:
-	git clean -xdf ./examples
\ No newline at end of file
diff --git a/src/diagram.lua.patch b/src/diagram.lua.patch
new file mode 100644
index 0000000..3e991d7
--- /dev/null
+++ b/src/diagram.lua.patch
@@ -0,0 +1,11 @@
+--- diagram.lua	2024-11-18 23:55:02.673989033 +0100
++++ diagram.patched.lua	2024-11-19 00:10:14.359878550 +0100
+@@ -158,7 +158,7 @@
+         write_file(infile, code)
+         pipe(
+           self.execpath or 'mmdc',
+-          {"--pdfFit", "--input", infile, "--output", outfile},
++          {"--pdfFit", "--puppeteerConfigFile", "/usr/local/share/puppeteer/config.json", "--input", infile, "--output", outfile},
+           ''
+         )
+         return read_file(outfile), mime_type
diff --git a/src/usr/local/share/puppeteer/config.json b/src/usr/local/share/puppeteer/config.json
new file mode 100644
index 0000000..a701bc4
--- /dev/null
+++ b/src/usr/local/share/puppeteer/config.json
@@ -0,0 +1,3 @@
+{
+    "args": [ "--no-sandbox" ]
+}