add pihole and placeholder for orbitalsync

.gitignore

@@ -1,7 +1,6 @@
 # Ignore everything
 *
 
-
 # But not these directories; this allows us to look inside them
 !*/
 
@@ -10,6 +9,7 @@
 !.gitignore
 !**/.env.example
 !**/Dockerfile
+!**/.gitkeep
 
 # Compose names
 !**/compose.yml

pihole/pihole/.env.example

@@ -0,0 +1 @@
+INIT_PASSWORD=

pihole/pihole/compose.yml

@@ -0,0 +1,26 @@
+services:
+  pihole:
+    image: pihole/pihole:latest
+    container_name: pihole
+    restart: unless-stopped
+    ports:
+      - "8081:80/tcp" # Pi-hole web admin interface, proxied through Caddy (configure port in Caddyfile)
+      # Following are NOT proxied through Caddy, bound to host net instead:
+      - "53:53/udp"
+      - "53:53/tcp"
+      - "853:853/tcp" # DNS-over-TLS 
+      #- "67:67/udp" # DHCP, if desired. If not bound to host net you need an mDNS proxy service configured somewhere on host net.
+        # ref: https://docs.pi-hole.net/docker/DHCP/
+    environment:
+      TZ: 'Europe/Berlin' # Supported TZ database names: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#Time_Zone_abbreviations
+      WEBPASSWORD: ${INIT_PASSWORD} # Only used on first boot, change with pihole cli then comment out here.
+    env_file:
+      - .env
+    volumes:
+      - './etc-pihole:/etc/pihole'
+      - './etc-dnsmasq.d:/etc/dnsmasq.d'
+      - './etc-lighttpd/external.conf:/etc/lighttpd/external.conf'  # Recommend leave as bind mount for easier editing.
+        # ref for why you may need to change this file: https://docs.pi-hole.net/guides/webserver/caddy/#modifying-lighttpd-configuration
+    #cap_add:  # Uncomment if using Pi-hole as DHCP server
+      # https://github.com/pi-hole/docker-pi-hole#note-on-capabilities
+      #- NET_ADMIN # ONLY required if you are using Pi-hole as your DHCP server, else remove for better security