about summary refs log tree commit diff
path: root/Dockerfile
diff options
context:
space:
mode:
Diffstat (limited to 'Dockerfile')
-rw-r--r--Dockerfile5
1 files changed, 3 insertions, 2 deletions
diff --git a/Dockerfile b/Dockerfile
index cf311fef2..57274cfd9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1.4
 FROM ubuntu:20.04 as build-dep
 
 # Use bash for the shell
@@ -65,8 +66,8 @@ RUN cd /opt/mastodon && \
 FROM ubuntu:20.04
 
 # Copy over all the langs needed for runtime
-COPY --from=build-dep /opt/node /opt/node
-COPY --from=build-dep /opt/ruby /opt/ruby
+COPY --from=build-dep --link /opt/node /opt/node
+COPY --from=build-dep --link /opt/ruby /opt/ruby
 
 # Add more PATHs to the PATH
 ENV PATH="${PATH}:/opt/ruby/bin:/opt/node/bin:/opt/mastodon/bin"