Allow readiness check to use custom ports

Dockerfile

@@ -17,7 +17,8 @@ RUN \
   echo "**** install packages ****" && \
   apk add --no-cache \
     icu-libs \
-    sqlite-libs && \
+    sqlite-libs \
+    xmlstarlet && \
   echo "**** install sonarr ****" && \
   mkdir -p /app/sonarr/bin && \
   if [ -z ${SONARR_VERSION+x} ]; then \

Dockerfile.aarch64

@@ -17,7 +17,8 @@ RUN \
   echo "**** install packages ****" && \
   apk add --no-cache \
     icu-libs \
-    sqlite-libs && \
+    sqlite-libs \
+    xmlstarlet && \
   echo "**** install sonarr ****" && \
   mkdir -p /app/sonarr/bin && \
   if [ -z ${SONARR_VERSION+x} ]; then \

root/etc/s6-overlay/s6-rc.d/svc-sonarr/data/check

@@ -1,6 +1,8 @@
 #!/bin/bash
 
-if [[ $(curl -sL "http://localhost:8989/ping" | jq -r '.status' 2>/dev/null) = "OK" ]]; then
+PORT=$(xmlstarlet sel -T -t -v /Config/Port /config/config.xml)
+
+if [[ $(curl -sL "http://localhost:${PORT:-8989}/ping" | jq -r '.status' 2>/dev/null) = "OK" ]]; then
     exit 0
 else
     exit 1