Install bash and fix Python3 subprocess bytes

File "/app/lib/globals.py", line 25, in error
        if not text.startswith("Too many queries"):
    TypeError: startswith first arg must be bytes or a tuple of bytes, not str

Dockerfile

@@ -14,6 +14,6 @@ RUN mkdir -p /root/.cheat.sh/log/ \
     && python3 lib/fetch.py fetch-all
 
 # installing server dependencies
-RUN apk add --update --no-cache py3-jinja2 py3-flask
+RUN apk add --update --no-cache py3-jinja2 py3-flask bash
 ENTRYPOINT ["python3"]
 CMD ["bin/srv.py"]

lib/frontend/html.py

@@ -84,7 +84,7 @@ def _render_html(query, result, editable, repository_button, topics_list, reques
         data = data.encode('utf-8')
         stdout, stderr = proc.communicate(data)
         if proc.returncode != 0:
-            error(stdout + stderr)
+            error((stdout + stderr).decode('utf-8'))
         return stdout.decode('utf-8')