Update docker syntax version

Use heredocs for multi-line script.
rubensa · Oct 8, 2024 · f5ee9d6 · f5ee9d6
1 parent cc7ce76
commit f5ee9d6
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1.4
 FROM ubuntu
 LABEL author="Ruben Suarez <[email protected]>"
 
@@ -9,8 +10,10 @@ ARG TINI_VERSION=v0.19.0
 
 # Add Tini
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini-${TARGETARCH} /sbin/tini
-RUN chown root:root /sbin/tini \
-  && chmod 4755 /sbin/tini
+RUN <<EOT
+chown root:root /sbin/tini
+chmod 4755 /sbin/tini
+EOT
 
 # Execute the init command
 ENTRYPOINT [ "/sbin/tini", "--" ]