From da7437884f370846a2f8bb689145b52bdcacc431 Mon Sep 17 00:00:00 2001
From: LeoVerto <LeoVerto@users.noreply.github.com>
Date: Wed, 3 Feb 2021 20:52:27 +0100
Subject: [PATCH] Add alpine-based docker image

---
 Dockerfile.alpine | 12 ++++++++++++
 start-alpine.sh   | 26 ++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 Dockerfile.alpine
 create mode 100755 start-alpine.sh

diff --git a/Dockerfile.alpine b/Dockerfile.alpine
new file mode 100644
index 0000000..b317489
--- /dev/null
+++ b/Dockerfile.alpine
@@ -0,0 +1,12 @@
+FROM alpine
+
+RUN apk add --no-cache icecast mailcap
+RUN mkdir /etc/icecast \
+    && chown icecast:icecast /etc/icecast
+
+ADD ./start-alpine.sh /start.sh
+USER icecast
+
+EXPOSE 8000
+VOLUME ["/var/log/icecast"]
+CMD ["/start.sh"]
diff --git a/start-alpine.sh b/start-alpine.sh
new file mode 100755
index 0000000..9dba318
--- /dev/null
+++ b/start-alpine.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+env
+
+set -x
+
+set_val() {
+    if [ -n "$2" ]; then
+        echo "set '$2' to '$1'"
+        sed -i "s/<$2>[^<]*<\/$2>/<$2>$1<\/$2>/g" /etc/icecast/icecast.xml
+    else
+        echo "Setting for '$1' is missing, skipping." >&2
+    fi
+}
+
+cp /etc/icecast.xml /etc/icecast/
+
+set_val $ICECAST_SOURCE_PASSWORD source-password
+set_val $ICECAST_RELAY_PASSWORD  relay-password
+set_val $ICECAST_ADMIN_PASSWORD  admin-password
+set_val $ICECAST_PASSWORD        password
+set_val $ICECAST_HOSTNAME        hostname
+
+set -e
+
+icecast -c /etc/icecast/icecast.xml