use requirements.txt to fix python package versions

Resolve issue with `docker run` not having correct privilege
Closes thiagoralves/OpenPLC_v3#22

Dockerfile

@@ -1,8 +1,8 @@
 FROM debian
 
 RUN apt-get update && apt-get install -y build-essential pkg-config bison flex autoconf automake libtool make git python2.7 python-pip sqlite3 cmake git 
-RUN pip install flask flask-login pyserial
 COPY . /workdir
+RUN pip install -r /workdir/requirements.txt
 RUN cd /workdir && ./install.sh docker
 WORKDIR /workdir
 ENTRYPOINT ["./start_openplc.sh"]

README.md

@@ -37,6 +37,6 @@ docker build -t openplc:v3 .
 _Devices can be passed to the `docker` daemon using the `-v` flag (e.g. `-v /dev/ttyACM0:/dev/ttyACM0`)_
 
 ```bash
-docker run -it --rm -p 8080:8080 openplc:v3
+docker run -it --rm --privileged -p 8080:8080 openplc:v3
 ```
 

requirements.txt

@@ -0,0 +1,21 @@
+Click==7.0
+cryptography==1.7.1
+enum34==1.1.6
+Flask==1.0.2
+Flask-Login==0.4.1
+idna==2.2
+ipaddress==1.0.17
+itsdangerous==1.1.0
+Jinja2==2.10
+keyring==10.1
+keyrings.alt==1.3
+MarkupSafe==1.1.0
+pyasn1==0.1.9
+pycrypto==2.6.1
+pygobject==3.22.0
+pyserial==3.4
+pyxdg==0.25
+SecretStorage==2.3.1
+six==1.10.0
+Werkzeug==0.14.1
+