add Caddy and Authelia support with configuration scripts and Docker setup

containers/authelia/Dockerfile-authelia

@@ -0,0 +1,13 @@
+FROM alpine:latest AS tools
+RUN apk add --no-cache inotify-tools
+
+FROM authelia/authelia:latest
+
+COPY --from=tools /usr/bin/inotifywait /usr/bin/inotifywait
+COPY --from=tools /usr/lib/libinotifytools* /usr/lib/
+
+COPY entrypoint.sh /usr/local/bin/authelia-entrypoint.sh
+
+RUN chmod +x /usr/local/bin/authelia-entrypoint.sh
+
+ENTRYPOINT ["/usr/local/bin/authelia-entrypoint.sh"]

containers/authelia/entrypoint.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -eu
+
+CONFIG_PATH="/config/configuration.yml"
+MAX_WAIT=120
+WAIT_INTERVAL=2
+
+echo "==> Waiting for Authelia configuration file..."
+elapsed=0
+while [ ! -f "$CONFIG_PATH" ]; do
+    if [ "$elapsed" -ge "$MAX_WAIT" ]; then
+        echo "Error: Timed out waiting for ${CONFIG_PATH} after ${MAX_WAIT}s"
+        exit 1
+    fi
+    sleep "$WAIT_INTERVAL"
+    elapsed=$((elapsed + WAIT_INTERVAL))
+done
+echo "==> Configuration file found: ${CONFIG_PATH}"
+
+echo "==> Starting Authelia..."
+authelia --config "$CONFIG_PATH" &
+AUTHELIA_PID=$!
+
+sleep 3
+
+echo "==> Watching ${CONFIG_PATH} for changes..."
+while true; do
+    inotifywait -qq -e close_write,moved_to "${CONFIG_PATH}" 2>/dev/null || true
+    sleep 2
+
+    echo "==> Configuration change detected, restarting Authelia..."
+    kill "$AUTHELIA_PID" 2>/dev/null || true
+    wait "$AUTHELIA_PID" 2>/dev/null || true
+
+    authelia --config "$CONFIG_PATH" &
+    AUTHELIA_PID=$!
+    echo "==> Authelia restarted with PID ${AUTHELIA_PID}"
+done