diff --git a/Dockerfile b/Dockerfile
index faf93d1..05ac68d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.12.0
 
 RUN apk add --no-cache --update \
     samba-common-tools \
@@ -7,7 +7,7 @@ RUN apk add --no-cache --update \
 
 COPY smb.conf /etc/samba/smb.conf
 
-EXPOSE 445/tcp
+EXPOSE 139/tcp 445/tcp
 
-CMD ["smbd", "--foreground", "--log-stdout"]
+CMD ["smbd", "--foreground", "--log-stdout", "--no-process-group"]
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 8c8ee90..4ec2867 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,6 +7,7 @@ services:
     volumes:
       - /mnt/hdd_repo/Shared/:/Shared
     ports:
+      - "139:139"
       - "445:445"
     build:
       context: .