Update, add docker to piaware

nixos/hosts/piaware-rpi4/default.nix

@@ -5,6 +5,7 @@
   imports = [ 
     inputs.nixos-hardware.nixosModules.raspberry-pi-4
     (modulesPath + "/installer/scan/not-detected.nix")
+    ./docker.nix
   ];
   # Enable distributed Builds
   nix.distributedBuilds = true;

nixos/hosts/piaware-rpi4/docker.nix

@@ -0,0 +1,48 @@
+{ pkgs, ... }: {
+    boot.kernel.sysctl = { 
+      "fs.inotify.max_user_watches" = 10485760;
+      "fs.inotify.max_user_instances" = 1024;
+    };
+
+    virtualisation.docker = {
+        enable = true;
+        enableOnBoot = true;
+        autoPrune.enable = true;
+        autoPrune.dates = "weekly";
+        liveRestore = true;
+    };
+
+    environment.systemPackages = with pkgs; [ 
+      docker-compose 
+      ctop
+    ];
+    networking.firewall.allowedTCPPorts = [
+      8080 30003 30005
+    ];
+}
+
+
+# Docker Compose file for PiAware:
+# version: '3'
+#
+#services:
+#  piaware:
+#    image: ghcr.io/sdr-enthusiasts/docker-piaware:latest
+#    tty: true
+#    container_name: piaware
+#    restart: always
+#    devices:
+#      - /dev/bus/usb:/dev/bus/usb
+#    ports:
+#      - 8080:80
+#      - 30003:30003
+#      - 30005:30005
+#    environment:
+#      - TZ="Asia/Tokyo"
+#      - LAT=35.6837777585358
+#      - LONG=135.02715404216545
+#      - FEEDER_ID=cdca89ee-6612-4707-b0bb-ffb78d156c47
+#      - RECEIVER_TYPE=rtlsdr
+#    tmpfs:
+#      - /run:exec,size=64M
+#      - /var/log