Docker image nginx:1.14.1 has no openssl installed. Therefore upgrading to nginx:1.19.10
@@ -24,7 +24,7 @@ fi
# Create a nginx container (which conveniently provides the `openssl` command)
###############################################################################
-CONTAINER=$(docker run -d -v $DIR:/work -w /work -e SAN="$ALTERNATE_DOMAINS" nginx:1.14.1)
+CONTAINER=$(docker run -d -v $DIR:/work -w /work -e SAN="$ALTERNATE_DOMAINS" nginx:1.19.10)
# Configure openssl
docker exec $CONTAINER bash -c '
mkdir -p /ca/{certs,crl,private,newcerts} 2>/dev/null