Include dnspython dependency in quotes

Not using quotes mean the shell considers `<` as the redirection from a file called 2.0 Fixes #399
2020-09-10 22:12:55 -07:00
parent 86b4deaeec
commit 4487adefa8
1 changed files with 1 additions and 1 deletions
--- a/core/Dockerfile
+++ b/core/Dockerfile
@@ -17,7 +17,7 @@ RUN apk update \
                   mailman==3.3.1 \
                   mailman-hyperkitty==1.1.0 \
                   pymysql \
-		   dnspython<2.0 \
+		   'dnspython<2.0' \
    && apk del build-deps \
    && adduser -S mailman