implement the Dockerized deployment bundle

dockerized/docker/mediamtx/entrypoint.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env sh
+set -eu
+
+fail() {
+    echo "nyone-mediamtx-entrypoint: $*" >&2
+    exit 1
+}
+
+if [ -z "${MEDIAMTX_SHARED_SECRET:-}" ] || [ "${MEDIAMTX_SHARED_SECRET#change-me}" != "$MEDIAMTX_SHARED_SECRET" ]; then
+    fail "MEDIAMTX_SHARED_SECRET is required. Run dockerized/scripts/deploy.sh or set it in dockerized/.env."
+fi
+
+: "${APP_URL:?APP_URL is required.}"
+: "${HLS_PUBLIC_URL:?HLS_PUBLIC_URL is required.}"
+: "${RTMP_INTERNAL_PORT:=19935}"
+: "${HLS_INTERNAL_PORT:=19988}"
+
+mkdir -p /config /var/www/html/storage/app/private/recordings
+
+export APP_URL HLS_PUBLIC_URL MEDIAMTX_SHARED_SECRET RTMP_INTERNAL_PORT HLS_INTERNAL_PORT
+
+envsubst '${APP_URL} ${HLS_PUBLIC_URL} ${MEDIAMTX_SHARED_SECRET} ${RTMP_INTERNAL_PORT} ${HLS_INTERNAL_PORT}' \
+    < /etc/mediamtx/mediamtx.yml.template \
+    > /config/mediamtx.yml
+
+if command -v mediamtx >/dev/null 2>&1; then
+    exec mediamtx /config/mediamtx.yml
+fi
+
+if [ -x /mediamtx ]; then
+    exec /mediamtx /config/mediamtx.yml
+fi
+
+fail "MediaMTX binary was not found in the base image."
+