First build https://github.com/alexbelgium/hassio-addons/issues/840 https://github.com/alexbelgium/hassio-addons/issues/565

portainer_agent/rootfs/entrypoint.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+echo "Starting..."
+
+####################
+# Starting scripts #
+####################
+
+for SCRIPTS in /etc/cont-init.d/*; do
+    [ -e "$SCRIPTS" ] || continue
+    echo "$SCRIPTS: executing"
+    chown "$(id -u)":"$(id -g)" "$SCRIPTS"
+    chmod a+x "$SCRIPTS"
+    # Change shebang if no s6 supervision
+    sed -i 's|/usr/bin/with-contenv bashio|/usr/bin/env bashio|g' "$SCRIPTS"
+    /."$SCRIPTS" || echo "$SCRIPTS: exiting $?"
+done

portainer_agent/rootfs/etc/cont-init.d/99-run.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/with-contenv bashio
+# shellcheck shell=bash
+# ==============================================================================
+# Home Assistant Community Add-on: portainer_agent
+# Runs some initializations for portainer_agent
+# ==============================================================================
+bashio::require.unprotected
+
+# Set environemnt
+
+# Launch app
+./agent