Docker fixes

docker/Dockerfile

@@ -52,7 +52,10 @@ RUN apt-get -y \
     openssh-client && \
     apt-get -y clean && \
     apt-get -q -y autoremove
-RUN pip install --upgrade futures tornado cssmin slimit psutil
+
+RUN pip install --upgrade pip
+COPY requirements.txt /tmp/requirements.txt
+RUN pip install -r /tmp/requirements.txt
 
 # Create the necessary directories, clone the repo, and install everything
 RUN mkdir -p /gateone/logs && \
@@ -78,4 +81,4 @@ RUN rm -f /etc/gateone/ssl/key.pem && \
 
 EXPOSE 8000
 
-CMD ["/usr/local/bin/update_and_run_gateone", "--log_file_prefix=/gateone/logs/gateone.log"]
+ENTRYPOINT ["/usr/local/bin/update_and_run_gateone", "--log_file_prefix=/gateone/logs/gateone.log"]

docker/Makefile

@@ -0,0 +1,2 @@
+build:
+	docker build -t gateone .

docker/requirements.txt

@@ -0,0 +1,5 @@
+cssmin==0.2.*
+futures==3.2.*
+psutil==5.4.*
+slimit==0.8.*
+tornado==4.5.*

docker/update_and_run_gateone.py

@@ -38,7 +38,6 @@
                 print("Encountered a problem trying to install/upgrade Gate One...")
                 print(output)
                 sys.exit(1)
-        retcode, output = getstatusoutput('pip install --upgrade tornado')
     else:
         go_args.remove('--noupdate')
     os.execvp('/usr/bin/python', [