Feat: dockerfile to test bopytex in new environment

Dockerfile

@@ -1,6 +1,9 @@
-FROM python:3.11-rc-alpine3.14
+FROM python:3.11-rc-slim
 
-RUN apk add --no-cache --virtual python3-dev
+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
 
@@ -8,8 +11,6 @@ RUN mkdir -p /src/bopytex
 COPY bopytex/ /src/bopytex
 COPY setup.py /src/
 RUN pip install -e /src
+
 COPY example /example
-
 WORKDIR /example
-CMD bopytex -n 2 tpl_example.tex
-