Add Dockerfile, make redis feature optional, add listening address cmdline parameter

less_shitty_proxyjs.pro

@@ -4,11 +4,14 @@ CONFIG += c++latest cmdline
 
 DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000
 
+HEADERS += \
+    client.h \
+    webserver.h
+
 SOURCES += \
-        client.cpp \
-        main.cpp \
-        redisqtadapter.cpp \
-        webserver.cpp
+    client.cpp \
+    main.cpp \
+    webserver.cpp
 
 RESOURCES += \
     resources.qrc
@@ -19,10 +22,9 @@ OTHER_FILES += \
     script.js \
     style.css
 
-HEADERS += \
-    client.h \
-    redisqtadapter.h \
-    webserver.h
-
-LIBS += \
-    -L/usr/lib -lhiredis
+redis {
+    HEADERS += redisqtadapter.h
+    SOURCES += redisqtadapter.cpp
+    LIBS += -L/usr/lib -lhiredis
+    DEFINES += FEATURE_REDIS
+}