add docker (Debian buster)

Dockerfile

@@ -0,0 +1,8 @@
+FROM debian:buster
+
+RUN apt update && apt install -y nodejs npm
+ADD . /latex
+WORKDIR /latex
+RUN npm install
+
+CMD ["npm", "start"]

docker-compose.yml

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+version: "3"
+services:
+ latesch:
+  build: .
+  image: docker.wiai.de/latex/build:0.1
+  ports:
+   - "127.0.0.1:8000:8000"
+#  networks:
+#   - traefik_net
+#  labels:
+#   - "traefik.enable=true"
+#   - "traefik.port=8000"
+#   - "traefik.docker.network=traefik_net"
+#   - "traefik.http.frontend.rule=Host:latesch.elli-valley.de"
+#
+#networks:
+# traefik_net:
+#  external:
+#   name: traefik_net