Switch to alpine:3.9 to avoid dlsym errors

diff --git a/Dockerfile b/Dockerfile
index 59a352bbcda3ddbaf728f5eca08da54f6d8f7f54..c61dcfde91251915289159b6663fe51b944c2bd9 100644 (file)
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add git gcc g++ musl-dev make &&\
        mkdir release &&\
        mix release --path release
 
-FROM alpine:latest
+FROM alpine:3.9
 
 ARG HOME=/opt/pleroma
 ARG DATA=/var/lib/pleroma