bump tor to 7.5.6

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:xenial
+FROM ubuntu:bionic
 MAINTAINER Andrey Arapov <andrey.arapov@nixaid.com>
 
 # To avoid problems with Dialog and curses wizards
@@ -10,7 +10,7 @@ RUN apt-get update && \
     apt-get -y dist-upgrade && \
     apt-get -fy install && \
     apt-get -y install xz-utils libdbus-glib-1-2 libgtk2.0-0 libxt6 \
-                       libgl1-mesa-glx pulseaudio attr && \
+                       libgl1-mesa-glx pulseaudio attr gpg && \
     rm -rf /var/lib/apt/lists
 
 # bzip2 libgtk-3-0 libasound2 libpango1.0-0 libv4l-0 libgl1-mesa-glx x264
@@ -28,7 +28,7 @@ ENV GROUPS video,audio
 ENV HOME /home/$USER
 RUN useradd -u $UID -m -d $HOME -s /usr/sbin/nologin -G $GROUPS $USER
 
-ENV TORVER 7.0.5
+ENV TORVER 7.5.6
 ENV TORKEY "EF6E286DDA85EA2A4BA7DE684E2C6E8793298290"
 ADD https://www.torproject.org/dist/torbrowser/${TORVER}/tor-browser-linux64-${TORVER}_en-US.tar.xz /tmp/tor.tar.xz
 ADD https://www.torproject.org/dist/torbrowser/${TORVER}/tor-browser-linux64-${TORVER}_en-US.tar.xz.asc /tmp/tor.tar.xz.asc

docker-compose.yml

@@ -2,7 +2,7 @@ version: '2'
 
 services:
   tor:
-    image: andrey01/tor:7.0.5
+    image: andrey01/tor:7.5.6
     network_mode: bridge
     volumes:
       - /tmp/.X11-unix:/tmp/.X11-unix:ro