From 3e4323b63f34183e405124a418cb0f6d2843b415 Mon Sep 17 00:00:00 2001
From: Paolo Asperti <paolo@asperti.com>
Date: Sun, 22 May 2022 21:18:11 +0200
Subject: [PATCH] expose required ENV variables

---
 Dockerfile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index 4ec67df..6a9fefd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,4 +8,8 @@ COPY run.sh /
 EXPOSE 514/tcp
 EXPOSE 514/udp
 
+ENV TARGET_HOST
+ENV TARGET_PROTO
+ENV TARGET_PORT
+
 ENTRYPOINT ["/bin/sh", "/run.sh"]
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