diff --git a/Dockerfile b/Dockerfile
index c76e34c..343f5a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,5 +12,5 @@ COPY bopytex/ /src/bopytex
 COPY setup.py /src/
 RUN pip install -e /src
 
-COPY example /example
+COPY example/simple /example
 WORKDIR /example
diff --git a/Dockerfile.mapytex b/Dockerfile.mapytex
new file mode 100644
index 0000000..5a5a910
--- /dev/null
+++ b/Dockerfile.mapytex
@@ -0,0 +1,17 @@
+FROM python:3.11-rc-slim
+
+RUN apt-get update
+RUN apt-get install -y texlive texlive-extra-utils
+
+RUN apt-get install -y python3-dev
+COPY requirements.txt /tmp/
+RUN pip install -r /tmp/requirements.txt
+RUN pip install mapytex
+
+RUN mkdir -p /src/bopytex
+COPY bopytex/ /src/bopytex
+COPY setup.py /src/
+RUN pip install -e /src
+
+COPY example/mapytex /example
+WORKDIR /example
diff --git a/bopytex/worker/compile.py b/bopytex/worker/compile.py
index 641122c..5813337 100644
--- a/bopytex/worker/compile.py
+++ b/bopytex/worker/compile.py
@@ -22,4 +22,4 @@ def curstomtex(command: str, options: str):
 
 
 latexmk = curstomtex("latexmk", "-f")
-pdflatex = curstomtex("pdflatex", "--inteactions=nonstopmode")
+pdflatex = curstomtex("pdflatex", "--interaction=nonstopmode")
diff --git a/bopytex/worker/generate.py b/bopytex/worker/generate.py
index b6a9cf3..02a12b0 100644
--- a/bopytex/worker/generate.py
+++ b/bopytex/worker/generate.py
@@ -9,13 +9,10 @@ def generate(args, deps, output):
 
     try:
         with open(output, "w") as out:
-            out.write(tpl2tex(template, metas=args))
+            fed = template.render(args)
+            out.write(fed)
 
         return Message(0, [f"GENERATE - {deps[0]} to {output}"], [])
 
     except Exception as e:
-        return Message(0, [], [e])
-
-
-def tpl2tex(template: Template, metas: dict = {}) -> str:
-    return template.render(metas)
+        return Message(1, [], [e])
diff --git a/example/mapytex/bopytex_config.py b/example/mapytex/bopytex_config.py
new file mode 100644
index 0000000..1fa0584
--- /dev/null
+++ b/example/mapytex/bopytex_config.py
@@ -0,0 +1,7 @@
+from mapytex import Expression
+
+from bopytex.jinja2_env.texenv import texenv
+
+jinja2 = {
+    "environment": texenv,
+}
diff --git a/example/mapytex/tpl_example.tex b/example/mapytex/tpl_example.tex
new file mode 100644
index 0000000..48b3339
--- /dev/null
+++ b/example/mapytex/tpl_example.tex
@@ -0,0 +1,17 @@
+% vim:ft=tex:
+%
+\documentclass[12pt]{article}
+
+\title{Bopytex with Mapytex example -- \Var{ number }}
+
+\begin{document}
+
+\maketitle
+
+%- set e = Expression.random("{a} + {b}")
+\Var{e}
+
+\Var{e.simplify()}
+
+
+\end{document}
diff --git a/example/tpl_example.tex b/example/simple/tpl_example.tex
similarity index 100%
rename from example/tpl_example.tex
rename to example/simple/tpl_example.tex
diff --git a/test/worker/test_generate.py b/test/worker/test_generate.py
index 015f322..bcdd319 100644
--- a/test/worker/test_generate.py
+++ b/test/worker/test_generate.py
@@ -1,16 +1,9 @@
 import os
 import jinja2
-from bopytex.worker.generate import generate, tpl2tex
+from bopytex.worker.generate import generate
 import pytest
 
 
-def test_tpl2tex():
-    tpl = "Plop {{a}}"
-    jinja2_tpl = jinja2.Template(tpl)
-    fed = tpl2tex(jinja2_tpl, metas={"a": 1})
-    assert fed == "Plop 1"
-
-
 @pytest.fixture
 def jinja2_env(tmp_path):
     templateEnv = jinja2.Environment(loader=jinja2.FileSystemLoader(tmp_path))