restreamer: Make docker image work, fix missing dependencies

setup.py and Dockerfile were both totally out of whack

build

@@ -7,7 +7,7 @@ set -eu
 # The resulting images are named wubloader-COMPONENT.
 
 # The different images we can build
-COMPONENTS=(downloader)
+COMPONENTS=(downloader restreamer)
 
 # The docker image tag, derived from the git commit + whether working tree is clean
 TAG=$(git rev-parse --short HEAD)

restreamer/Dockerfile

@@ -1,5 +1,6 @@
 FROM alpine:3.7
-RUN apk --update add py2-pip
+# dependencies needed for compiling c extensions, plus ffmpeg for cutting
+RUN apk --update add py2-pip gcc python-dev musl-dev ffmpeg
 
 # Install common lib first as it changes less
 COPY common /tmp/common
@@ -9,7 +10,4 @@ RUN pip install /tmp/common && rm -r /tmp/common
 COPY restreamer /tmp/restreamer
 RUN pip install /tmp/restreamer && rm -r /tmp/restreamer
 
-# Add config file last as it changes most
+ENTRYPOINT ["python2", "-m", "restreamer", "--base-dir", "/mnt"]
-COPY config.yaml /etc/wubloader.yaml
-
-CMD python2 -m restreamer

restreamer/setup.py

@@ -5,7 +5,9 @@ setup(
 	version = "0.0.0",
 	packages = find_packages(),
 	install_requires = [
-		"requests",
+		"argh",
+		"flask",
+		"gevent",
 		"wubloader-common",
 	],
 )