add some services

.env

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+# ${PWD} is an ENV variable provided by docker compose that returns current directory. Using it to make the path absolute.
+TEMPLATES_PATH=${PWD}/docker-compose.templates.yml
+
+# This is name of the directory containing other compose files.
+# Made it just to have it as variable so it easier to maintain.
+INCLUDE_PATH=${PWD}
+
+SERVICE_PATH=${INCLUDE_PATH}/services
+
+# Timezone
+TZ=Europe/Zurich
+
+# User and group docker will executed
+PUID=1000
+PGID=1000
+
+# Domain definition
+SECOND_LEVEL_DOMAIN=crescentec
+TOP_LEVEL_DOMAIN=ch
+LOCAL_DOMAIN=crescentec.lan
+PUBLIC_DOMAIN=crescentec.ch
+
+# Personal info
+EMAIL=chris.windler@crescentec.ch

docker-compose.templates.yml

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+# While this file is not meant to be deployed directly it is used for "inheritance" of your sevices. 
+# Below you can see a service that I've called "default" which is used as a base definition for other services.
+# It defines only the most common properties that I need. It does not have the 'image' for example as each extending service will have its own 'image'.
+# Of course you can have more templates here or even 'extend' them from each other.
+services:
+  default:
+    restart: unless-stopped
+    security_opt:
+      - no-new-privileges=true
+    environment:
+      TZ: ${TZ}
+      PUID: ${PUID}
+      PGID: ${PGID}
+    logging:
+      options:
+        max-size: "5m"
+        max-file: "3"

docker-compose.yml

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+# center docker-compose file
+# see https://github.com/labmonkey/docker-compose-project-example for more info
+
+# Here I will include all "child" docker compose files that I need.
+# The paths can relative to this file or absolue. I've used INCLUDE_PATH variable to make it more cofigurable.
+# Whenever I need to remove some service then I can comment out the lines here. 
+include:
+  - path:
+#      - ${SERVICE_PATH}/caddy/caddy.yml
+      - ${SERVICE_PATH}/headscale/headscale.yml
+      - ${SERVICE_PATH}/watchtower/watchtower.yml
+    env_file: ${SERVICE_PATH}/.env
+
+networks:
+  ip4net:
+    driver: bridge
+    name: ip4net
+    ipam:
+      config:
+        - subnet: 10.6.0.0/16

services/headscale/headscale.yml

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+services:
+  headscale:
+    extends:
+      file: ${TEMPLATES_PATH}
+      service: default
+    image: docker.io/headscale/headscale 
+    container_name: headscale 
+    volumes:
+      - ${SERVICE_PATH}/headscale/config:/etc/headscale
+      - ${SERVICE_PATH}/headscale/lib:/var/lib/headscale
+      - ${SERVICE_PATH}/headscale/run:/var/run/headscale
+    ports:
+      - 0.0.0.0:1000:8080 # api 
+      - 0.0.0.0:1001:9090 # metrics
+    command: serve
+    networks:
+      - ip4net
+    labels:
+      # Watchtower
+      - "com.centurylinklabs.watchtower.enable=true"

services/watchtower/watchtower.yml

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+services:
+  watchtower:
+    extends:
+      file: ${TEMPLATES_PATH}
+      service: default
+    image: containrrr/watchtower:latest
+    container_name: watchtower
+    environment:
+      - WATCHTOWER_CLEANUP=true
+      - WATCHTOWER_POLL_INTERVAL=43200 # 12h
+      - WATCHTOWER_INCLUDE_RESTARTING=true
+      - WATCHTOWER_LABEL_ENABLE=true
+      - WATCHTOWER_HTTP_API_METRICS=true
+      - WATCHTOWER_HTTP_API_TOKEN=mytoken
+      - WATCHTOWER_HTTP_API_UPDATE=true
+      - WATCHTOWER_HTTP_API_PERIODIC_POLLS=true
+    ports:
+      - 1003:8080
+    networks:
+      - ip4net
+    volumes:
+      # - ${SERVICE_PATH}/watchtower/config:/config.json
+      - /var/run/docker.sock:/var/run/docker.sock
+    labels:
+      # Watchtower
+      - "com.centurylinklabs.watchtower.enable=true"