From ce2d3e945a906e56ef43ef29d329a9f39314fcef Mon Sep 17 00:00:00 2001
From: thomas <me@thomasanderson.cloud>
Date: Fri, 8 Sep 2023 01:44:07 -0400
Subject: fix: allow disabling IPv6

---
 Dockerfile    | 1 +
 README.md     | 2 ++
 ipv6.sh       | 6 ++++++
 lighttpd.conf | 2 +-
 4 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100755 ipv6.sh

diff --git a/Dockerfile b/Dockerfile
index 2e2e493..9c872f5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,6 +24,7 @@ RUN addgroup -S lighttpd -g ${GID} && adduser -D -S -u ${UID} lighttpd lighttpd
 WORKDIR /www
 
 COPY lighttpd.conf /lighttpd.conf
+COPY ipv6.sh /etc/lighttpd/ipv6.sh
 COPY entrypoint.sh /entrypoint.sh
 COPY --from=build-stage --chown=${UID}:${GID} /app/dist /www/
 COPY --from=build-stage --chown=${UID}:${GID} /app/dist/assets /www/default-assets
diff --git a/README.md b/README.md
index d69796a..db2781d 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,8 @@ If you would like to host Homer in a subfolder, (ex: *http://my-domain/**homer**
 * **`PORT`** (default: `8080`)
 If you would like to change internal port of Homer from default `8080` to your port choice.
 
+* **`IPV6_DISABLE`** (default: null)
+Set to a non-empty value to disable listening on IPv6.
 
 #### With docker-compose
 
diff --git a/ipv6.sh b/ipv6.sh
new file mode 100755
index 0000000..c013ed6
--- /dev/null
+++ b/ipv6.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Enable IPV6 if needed
+if test -z "$IPV6_DISABLE"; then
+	echo '$SERVER["socket"] == "[::]:" + env.PORT {  }'
+fi
diff --git a/lighttpd.conf b/lighttpd.conf
index 2bf043f..a6e9ff5 100644
--- a/lighttpd.conf
+++ b/lighttpd.conf
@@ -1,7 +1,7 @@
 include "/etc/lighttpd/mime-types.conf"
+include_shell "/etc/lighttpd/ipv6.sh"
 
 server.port            = env.PORT
-$SERVER["socket"] == "[::]:" + env.PORT {  }
 server.modules         = ( "mod_alias" )
 server.username        = "lighttpd"
 server.groupname       = "lighttpd"
-- 
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