Set terminal to UTF8 so we can see the qr code

Dockerfile

@@ -17,6 +17,10 @@ RUN apt-get update && apt-get install -y \
 ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true \
     PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium
 
+# Set terminal to UTF-8 to suport QR Code characters
+ENV LANG=C.UTF-8
+ENV LC_ALL=C.UTF-8
+
 WORKDIR /app
 
 # Copy package files and install dependencies