diff --git a/.hadolint.yaml b/.hadolint.yaml
new file mode 100644
index 0000000..ec8794b
--- /dev/null
+++ b/.hadolint.yaml
@@ -0,0 +1,2 @@
+ignored:
+    - SC1091
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e299e75..9c4fb45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+- path for logs is now configurable by cli args
+- configure the number of keeped logfiles by cli args
+- add DOCS.md for add-ons
+- pin library version und update them with renovate
+- build config.yaml for add-ons by a jinja2 template
+- use gnu make to build proxy and add-on
 - make the configuration more flexible, add command line args to control this
 - fix the python path so we don't need special import paths for unit tests anymore
 - support test coverager in vscode
diff --git a/Makefile b/Makefile
index afda9e9..24f9ab6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,12 @@
-.PHONY: build clean addon-dev addon-debug sddon-rc
+.PHONY: build clean addon-dev addon-debug addon-rc addon-rel debug dev preview rc rel
 
-# debug dev:
-# 	$(MAKE) -C app $@
+debug dev preview rc rel:
+	$(MAKE) -C app $@
 
 clean build:
 	$(MAKE) -C ha_addons $@ 
 
-addon-dev addon-debug addon-rc:
+addon-dev addon-debug addon-rc addon-rel:
 	$(MAKE) -C ha_addons $(patsubst addon-%,%,$@)
 
 check-docker-compose:
diff --git a/app/Makefile b/app/Makefile
new file mode 100644
index 0000000..b68f782
--- /dev/null
+++ b/app/Makefile
@@ -0,0 +1,67 @@
+#!make
+include ../.env
+
+SHELL = /bin/sh
+IMAGE = tsun-gen3-proxy
+
+
+# Folders
+SRC=.
+SRC_PROXY=$(SRC)/src
+CNF_PROXY=$(SRC)/config
+
+DST=rootfs
+DST_PROXY=$(DST)/home/proxy
+
+# collect source files 
+SRC_FILES := $(wildcard $(SRC_PROXY)/*.py)\
+ $(wildcard $(SRC_PROXY)/*.ini)\
+ $(wildcard $(SRC_PROXY)/cnf/*.py)\
+ $(wildcard $(SRC_PROXY)/gen3/*.py)\
+ $(wildcard $(SRC_PROXY)/gen3plus/*.py)
+CNF_FILES := $(wildcard $(CNF_PROXY)/*.toml)
+
+# determine destination files
+TARGET_FILES = $(SRC_FILES:$(SRC_PROXY)/%=$(DST_PROXY)/%)
+CONFIG_FILES = $(CNF_FILES:$(CNF_PROXY)/%=$(DST_PROXY)/%)
+
+export BUILD_DATE := ${shell date -Iminutes}
+VERSION := $(shell cat $(SRC)/.version)
+export MAJOR  := $(shell echo $(VERSION) | cut -f1 -d.)
+
+PUBLIC_URL := $(shell echo $(PUBLIC_CONTAINER_REGISTRY) | cut -f1 -d/)
+PUBLIC_USER :=$(shell echo $(PUBLIC_CONTAINER_REGISTRY) | cut -f2 -d/)
+
+
+dev debug:
+	@echo version: $(VERSION)  build-date: $(BUILD_DATE)   image: $(PRIVAT_CONTAINER_REGISTRY)$(IMAGE)
+	export VERSION=$(VERSION)-$@ && \
+	export IMAGE=$(PRIVAT_CONTAINER_REGISTRY)$(IMAGE) && \
+	docker buildx bake -f docker-bake.hcl $@
+
+preview rc rel:
+	@echo version: $(VERSION)  build-date: $(BUILD_DATE)   image: $(PUBLIC_CONTAINER_REGISTRY)$(IMAGE)
+	@echo login at $(PUBLIC_URL) as $(PUBLIC_USER)
+	@DO_LOGIN="$(shell echo $(PUBLIC_CR_KEY) | docker login $(PUBLIC_URL) -u $(PUBLIC_USER) --password-stdin)"
+	export VERSION=$(VERSION)-$@ && \
+	export IMAGE=$(PUBLIC_CONTAINER_REGISTRY)$(IMAGE) && \
+	docker buildx bake -f docker-bake.hcl $@
+
+
+
+.PHONY: debug dev preview rc rel
+
+
+$(CONFIG_FILES): $(DST_PROXY)/% : $(CNF_PROXY)/%
+	@echo Copy $< to $@
+	@mkdir -p $(@D)
+	@cp $< $@
+
+$(TARGET_FILES): $(DST_PROXY)/% : $(SRC_PROXY)/%
+	@echo Copy $< to $@
+	@mkdir -p $(@D)
+	@cp $< $@
+
+$(DST)/requirements.txt : $(SRC)/requirements.txt
+	@echo Copy $< to $@
+	@cp $< $@
diff --git a/app/docker-bake.hcl b/app/docker-bake.hcl
index 56317d2..ba9d92b 100644
--- a/app/docker-bake.hcl
+++ b/app/docker-bake.hcl
@@ -18,7 +18,7 @@ variable "DESCRIPTION" {
 }
 
 target "_common" {
-  context = "app"
+  context = "."
   dockerfile = "Dockerfile"
   args = {
     VERSION = "${VERSION}"
diff --git a/app/src/logging.ini b/app/src/logging.ini
index 34db695..88f15ef 100644
--- a/app/src/logging.ini
+++ b/app/src/logging.ini
@@ -58,13 +58,13 @@ formatter=console_formatter
 class=handlers.TimedRotatingFileHandler
 level=INFO
 formatter=file_formatter
-args=('log/proxy.log', when:='midnight')
+args=(handlers.log_path + 'proxy.log', when:='midnight', backupCount:=handlers.log_backups)
 
 [handler_file_handler_name2]
 class=handlers.TimedRotatingFileHandler
 level=NOTSET
 formatter=file_formatter
-args=('log/trace.log', when:='midnight')
+args=(handlers.log_path + 'trace.log', when:='midnight', backupCount:=handlers.log_backups)
 
 [formatter_console_formatter]
 format=%(asctime)s %(levelname)5s | %(name)4s | %(message)s'
diff --git a/app/src/server.py b/app/src/server.py
index ce5077f..5725296 100644
--- a/app/src/server.py
+++ b/app/src/server.py
@@ -1,5 +1,6 @@
 import logging
 import asyncio
+import logging.handlers
 import signal
 import os
 import argparse
@@ -133,14 +134,19 @@ def get_log_level() -> int:
 
 if __name__ == "__main__":   # pragma: no cover
     parser = argparse.ArgumentParser()
-    parser.add_argument('-p', '--config_path', type=str,
+    parser.add_argument('-c', '--config_path', type=str,
                         default='./config/',
                         help='set path for the configuration files')
     parser.add_argument('-j', '--json_config', type=str,
                         help='read user config from json-file')
     parser.add_argument('-t', '--toml_config', type=str,
                         help='read user config from toml-file')
-    parser.add_argument('--add_on', action='store_true')
+    parser.add_argument('-l', '--log_path', type=str,
+                        default='log/',
+                        help='set path for the logging files')
+    parser.add_argument('-b', '--log_backups', type=int,
+                        default=0,
+                        help='set max number of daily log-files')
     args = parser.parse_args()
     #
     # Setup our daily, rotating logger
@@ -148,12 +154,16 @@ def get_log_level() -> int:
     serv_name = os.getenv('SERVICE_NAME', 'proxy')
     version = os.getenv('VERSION', 'unknown')
 
+    setattr(logging.handlers, "log_path", args.log_path)
+    setattr(logging.handlers, "log_backups", args.log_backups)
+
     logging.config.fileConfig('logging.ini')
     logging.info(f'Server "{serv_name} - {version}" will be started')
-    logging.info(f"AddOn: {args.add_on}")
     logging.info(f"config_path: {args.config_path}")
     logging.info(f"json_config: {args.json_config}")
     logging.info(f"toml_config: {args.toml_config}")
+    logging.info(f"log_path:    {args.log_path}")
+    logging.info(f"log_backups: {args.log_backups} days")
     log_level = get_log_level()
     logging.info('******')
 
diff --git a/ha_addons/ha_addon/DOCS.md b/ha_addons/ha_addon/DOCS.md
index b5c1a29..310c54a 100644
--- a/ha_addons/ha_addon/DOCS.md
+++ b/ha_addons/ha_addon/DOCS.md
@@ -83,7 +83,7 @@ inverters:
 
 **Note**: _This is just an example, you need to replace the values with your own!_
 
-## MQQT settings
+## MQTT settings
 
 By default, this add-on requires no `mqtt` config from the user. **This is not an error!**
 
@@ -153,4 +153,4 @@ SOFTWARE.
 [Mosquitto]: https://github.com/home-assistant/addons/blob/master/mosquitto/DOCS.md
 [AdGuard]: https://github.com/hassio-addons/addon-adguard-home
 [repository-badge]: https://img.shields.io/badge/Add%20repository%20to%20my-Home%20Assistant-41BDF5?logo=home-assistant&style=for-the-badge
-[repository-url]: https://my.home-assistant.io/redirect/supervisor_add_addon_repository/?repository_url=https%3A%2F%2Fgithub.com%2Fs-allius%2Ftsun-gen3-proxy
+[repository-url]: https://my.home-assistant.io/redirect/supervisor_add_addon_repository/?repository_url=https%3A%2F%2Fgithub.com%2Fs-allius%2Fha-addons
diff --git a/ha_addons/ha_addon/Dockerfile b/ha_addons/ha_addon/Dockerfile
index 480bbb9..bcb941a 100755
--- a/ha_addons/ha_addon/Dockerfile
+++ b/ha_addons/ha_addon/Dockerfile
@@ -18,7 +18,11 @@ ARG BUILD_FROM="ghcr.io/hassio-addons/base:stable"
 FROM $BUILD_FROM AS base
 
 # Installiere Python, pip und virtuelle Umgebungstools
-RUN apk add --no-cache python3=3.12.8-r1 py3-pip=24.3.1-r0
+RUN apk add --no-cache python3=3.12.8-r1 py3-pip=24.3.1-r0 && \
+    python -m venv /opt/venv && \
+    . /opt/venv/bin/activate
+
+ENV PATH="/opt/venv/bin:$PATH"
 
 
 
diff --git a/ha_addons/ha_addon/rootfs/run.sh b/ha_addons/ha_addon/rootfs/run.sh
index 5329d6f..4e42950 100755
--- a/ha_addons/ha_addon/rootfs/run.sh
+++ b/ha_addons/ha_addon/rootfs/run.sh
@@ -8,7 +8,7 @@ MQTT_PORT=$(bashio::services mqtt "port")
 MQTT_USER=$(bashio::services mqtt "username")
 MQTT_PASSWORD=$(bashio::services mqtt "password")
 
-# wenn host gefunden wurde, dann nachricht ausgeben
+# if a MQTT was/not found, drop a note
 if [ -z "$MQTT_HOST" ]; then
     echo "MQTT not found"
 else
@@ -21,15 +21,13 @@ fi
 
 
 
-cd /home || exit
 
-# Erstelle Ordner für log und config
-mkdir -p proxy/log
-mkdir -p proxy/config
+# Create folder for log und config files
+mkdir -p /homeassistant/tsun-proxy/logs
 
 cd /home/proxy || exit
 
 export VERSION=$(cat /proxy-version.txt)
 
 echo "Start Proxyserver..."
-python3 server.py --json_config=/data/options.json
+python3 server.py --json_config=/data/options.json  --log_path=/homeassistant/tsun-proxy/logs/ --config_path=/homeassistant/tsun-proxy/ --log_backups=2
diff --git a/ha_addons/templates/config.jinja b/ha_addons/templates/config.jinja
index b0c3d2a..b8d40c4 100755
--- a/ha_addons/templates/config.jinja
+++ b/ha_addons/templates/config.jinja
@@ -4,6 +4,8 @@ version: {% if version is defined and version|length %} {{version}} {% else %} {
 image: docker.io/sallius/tsun-gen3-addon
 url: https://github.com/s-allius/tsun-gen3-proxy
 slug: {{slug}}
+advanced: {{advanced}}
+stage: {{stage}}
 init: false
 arch:
   - aarch64
@@ -12,13 +14,19 @@ arch:
   - armv7
 startup: services
 homeassistant_api: true
+map:
+  - type: addon_config
+    path: /homeassistant/tsun-proxy
+    read_only: False
 services:
   - mqtt:want
 ports:
-  8127/tcp: 8127
   5005/tcp: 5005
   10000/tcp: 10000
 
+# FIXME: we disabled the watchdog due to exceptions in the ha supervisor. See: https://github.com/s-allius/tsun-gen3-proxy/issues/249
+# watchdog: "http://[HOST]:[PORT:8127]/-/healthy"
+
 # Definition of parameters in the configuration tab of the addon
 # parameters are available within the container as /data/options.json
 # and should become picked up by the proxy - current workaround as a transfer script
diff --git a/ha_addons/templates/debug_data.json b/ha_addons/templates/debug_data.json
index ce61957..d325875 100644
--- a/ha_addons/templates/debug_data.json
+++ b/ha_addons/templates/debug_data.json
@@ -3,5 +3,7 @@
     "name": "TSUN-Proxy (Debug)",
     "description": "MQTT Proxy for TSUN Photovoltaic Inverters with Debug Logging",
     "version": "debug",
-    "slug": "tsun-proxy-debug"
+    "slug": "tsun-proxy-debug",
+    "advanced": true,
+    "stage": "experimental"
 }
\ No newline at end of file
diff --git a/ha_addons/templates/dev_data.json b/ha_addons/templates/dev_data.json
index 8dd6614..a3365f8 100644
--- a/ha_addons/templates/dev_data.json
+++ b/ha_addons/templates/dev_data.json
@@ -3,5 +3,7 @@
     "name": "TSUN-Proxy (Dev)",
     "description": "MQTT Proxy for TSUN Photovoltaic Inverters",
     "version": "dev",
-    "slug": "tsun-proxy-dev"
+    "slug": "tsun-proxy-dev",
+    "advanced": false,
+    "stage": "experimental"
 }
\ No newline at end of file
diff --git a/ha_addons/templates/rel_data.json b/ha_addons/templates/rel_data.json
index a106323..e7b5acb 100644
--- a/ha_addons/templates/rel_data.json
+++ b/ha_addons/templates/rel_data.json
@@ -2,5 +2,7 @@
 {
     "name": "TSUN-Proxy",
     "description": "MQTT Proxy for TSUN Photovoltaic Inverters",
-    "slug": "tsun-proxy"
+    "slug": "tsun-proxy",
+    "advanced": false,
+    "stage": "stable"
 }
\ No newline at end of file