add basic auth

Dockerfile

@@ -14,6 +14,7 @@ ENV print_num=0
 ENV printer="DEFAULT"
 ENV REQUESTS_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
 ENV MAPS_API_KEY=""
+ENV BASIC_AUTH_PASSWORD=""
 
 
 COPY *.deb /
@@ -62,4 +63,4 @@ COPY ./app .
 COPY *.crt /usr/local/share/ca-certificates/
 RUN update-ca-certificates
 
-CMD [ "sh","-c","/etc/init.d/cups start && python3 /usr/src/app/http.py" ]
+CMD [ "sh","-c","/etc/init.d/cups start && python3 /usr/src/app/app.py" ]