enable usage of backup/restore plugin

fixes #93

Dockerfile

@@ -56,13 +56,15 @@ RUN	curl -fsSLO --compressed --retry 3 --retry-delay 10 \
 
 WORKDIR /opt/octoprint
 RUN pip install .
+RUN mkdir -p /octoprint/octoprint /octoprint/plugins
 
 # Install mjpg-streamer
 RUN curl -fsSLO --compressed --retry 3 --retry-delay 10 \
   https://github.com/jacksonliam/mjpg-streamer/archive/master.tar.gz \
   && mkdir /mjpg \
   && tar xzf master.tar.gz -C /mjpg
 
+
 WORKDIR /mjpg/mjpg-streamer-master/mjpg-streamer-experimental
 RUN make
 RUN make install

root/etc/services.d/octoprint/run

@@ -1,3 +1,3 @@
 #!/usr/bin/with-contenv sh
 
-exec octoprint serve --iknowwhatimdoing --host 0.0.0.0 --basedir /octoprint
+exec octoprint serve --iknowwhatimdoing --host 0.0.0.0 --basedir /octoprint/octoprint

root/octoprint/config.yaml → root/octoprint/octoprint/config.yaml

@@ -5,6 +5,3 @@ webcam:
   ffmpeg: /usr/bin/ffmpeg
   snapshot: http://localhost:8080/?action=snapshot
   stream: /webcam/?action=stream
-plugins:
-  _disabled:
-  - backup