update doc and Dockerfile

README.md

@@ -298,23 +298,23 @@ If you are using Python, you can use [redis-py](https://github.com/andymccurdy/r
 >>> import redis
 >>> r = redis.StrictRedis(host='localhost', port=6379, db=0)
 >>> r.execute_command('PB.SET', 'key', 'Msg', '{"i" : 1, "sub" : {"s" : "string", "i" : 2}, "arr" : [1, 2, 3]}')
-1L
->>> r.execute_command('PB.GET', 'key', 'Msg')
-'\x08\x01\x12\n\n\x06string\x10\x02\x1a\x03\x01\x02\x03'
+1
+>>> r.execute_command('PB.GET', 'key', '--FORMAT', 'BINARY', 'Msg')
+b'\x08\x01\x12\n\n\x06string\x10\x02\x1a\x03\x01\x02\x03'
 >>> r.execute_command('PB.GET', 'key', '--FORMAT', 'JSON', 'Msg')
-'{"i":1,"sub":{"s":"string","i":2},"arr":[1,2,3]}'
+b'{"i":1,"sub":{"s":"string","i":2},"arr":[1,2,3]}'
 >>> r.execute_command('PB.SET', 'key', 'Msg', '/i', 2)
-1L
+1
 >>> r.execute_command('PB.GET', 'key', 'Msg', '/i')
-2L
+2
 >>> r.execute_command('PB.SET', 'key', 'Msg', '/sub/s', 'redis-protobuf')
-1L
+1
 >>> r.execute_command('PB.GET', 'key', 'Msg', '/sub/s')
-'redis-protobuf'
+b'redis-protobuf'
 >>> r.execute_command('PB.SET', 'key', 'Msg', '/arr/0', 100)
-1L
+1
 >>> r.execute_command('PB.GET', 'key', 'Msg', '/arr/0')
-100L
+100
 ```
 
 ## Commands

docker/Dockerfile

@@ -37,8 +37,6 @@ RUN set -ex;\
         mkdir -p "$REDISDIR/proto/google/protobuf" "$REDISDIR/proto/google/protobuf/util" "$REDISDIR/proto/google/protobuf/compiler" "$REDISDIR/modules" "$REDISDIR/conf";\
         cp /usr/src/redis-protobuf-master/docker/example.proto "$REDISDIR/proto";\
         cp /usr/src/protobuf-3.8.0-map-reflection/src/google/protobuf/*.proto "$REDISDIR/proto/google/protobuf";\
-        cp /usr/src/protobuf-3.8.0-map-reflection/src/google/protobuf/util/*.proto "$REDISDIR/proto/google/protobuf/util";\
-        cp /usr/src/protobuf-3.8.0-map-reflection/src/google/protobuf/compiler/*.proto "$REDISDIR/proto/google/protobuf/compiler";\
         cp /usr/src/redis-protobuf-master/compile/libredis-protobuf.so "$REDISDIR/modules";\
         echo 'loadmodule /usr/lib/redis/modules/libredis-protobuf.so --dir /usr/lib/redis/proto' > "$REDISDIR/conf/redis.conf";