247 lines
7.9 KiB
Nix
247 lines
7.9 KiB
Nix
{ inputs, ... }:
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# ============================================================================
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# USDA Dashboard External System Module
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# ============================================================================
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# External system configuration for usda-dash
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# This module can be referenced from nixos-systems/inventory.nix using:
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#
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# nix-lxc = {
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# devices = {
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# "usda-dash" = builtins.fetchGit {
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# url = "https://git.factory.uga.edu/MODEL/usda-dash-config.git";
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# rev = "commit-hash";
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# submodules = true; # REQUIRED for usda-vision submodule
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# };
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# };
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# };
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#
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# IMPORTANT: For LXC containers running Docker, the Proxmox LXC must be configured with:
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# - Features: nesting=1, keyctl=1
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# - Unprivileged: no (or privileged: yes)
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# Edit the container config in Proxmox: /etc/pve/lxc/<VMID>.conf
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# Add: features: nesting=1,keyctl=1
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{
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config,
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lib,
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pkgs,
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...
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}:
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let
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# Import the usda-vision flake
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usda-vision-flake = (builtins.getFlake (toString ./usda-vision)).packages.${pkgs.system};
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# Get packages from the flake
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camera-sdk = usda-vision-flake.camera-sdk;
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usda-vision-app = usda-vision-flake.usda-vision;
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in
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{
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# ========== Module Configuration ==========
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config = {
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# Nix configuration for LXC container without sandbox support
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nix.settings = {
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sandbox = false; # LXC containers don't support kernel namespaces for sandboxing
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experimental-features = [ "nix-command" "flakes" ];
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};
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# System packages specific to usda-dash
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environment.systemPackages = with pkgs; [
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# Core tools
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git
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vim
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htop
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curl
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wget
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nfs-utils
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# Docker and Docker Compose for running usda-vision
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docker
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docker-compose
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# Supabase
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supabase-cli
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# Camera SDK
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camera-sdk
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# USDA Vision application package with convenience scripts
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usda-vision-app
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];
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# Make camera SDK libraries available system-wide
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environment.variables = {
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LD_LIBRARY_PATH = "${camera-sdk}/lib";
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};
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# Enable Docker service with LXC-compatible settings
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virtualisation.docker = {
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enable = true;
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autoPrune.enable = true;
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# Enable experimental features for better LXC compatibility
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daemon.settings = {
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experimental = true;
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};
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};
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# LXC-specific settings for nested containers
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boot.kernel.sysctl = {
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# Required for Docker networking in LXC
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"net.ipv4.ip_forward" = 1;
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"net.ipv4.conf.all.forwarding" = 1;
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};
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# Configure users
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athenix.users.sv22900.enable = true;
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# Add users to docker group
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users.users.sv22900.extraGroups = [ "docker" ];
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users.users.engr-ugaif.extraGroups = [ "docker" ];
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# Create persistent directories and .env file location
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systemd.tmpfiles.rules = [
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"d /var/lib/usda-vision 0755 root root -"
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"f /var/lib/usda-vision/.env 0644 root root -"
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"d /var/lib/supabase 0755 root root -"
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"d /mnt/nfs_share 0755 root root -"
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];
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# Enable NFS client support
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services.rpcbind.enable = true;
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# NFS mount for shared storage
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fileSystems."/mnt/nfs_share" = {
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device = "192.168.1.249:/mnt/nfs_share";
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fsType = "nfs";
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options = [ "nfsvers=4" "rw" "soft" "_netdev" ];
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};
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# Supabase CLI configuration - runs in writable directory
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systemd.services.supabase-cli = {
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enable = true;
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description = "Supabase CLI Service";
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preStart = ''
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# Clean slate - remove old content but keep the directory
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rm -rf /var/lib/supabase/*
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rm -rf /var/lib/supabase/.* 2>/dev/null || true
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# Copy supabase directory structure from the app
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if [ -d ${usda-vision-app}/opt/usda-vision/supabase ]; then
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${pkgs.rsync}/bin/rsync -av ${usda-vision-app}/opt/usda-vision/supabase/ /var/lib/supabase/supabase/
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fi
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# Create necessary directories for supabase
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mkdir -p /var/lib/supabase/supabase/.branches
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chmod -R 755 /var/lib/supabase
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'';
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serviceConfig = {
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WorkingDirectory = "/var/lib/supabase";
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EnvironmentFile="/var/lib/usda-vision/.env";
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ExecStart = "${pkgs.supabase-cli}/bin/supabase start";
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ExecStop = "${pkgs.supabase-cli}/bin/supabase stop";
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Type = "oneshot";
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RemainAfterExit = true;
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User = "root";
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Group = "root";
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};
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};
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# Systemd service to manage usda-vision docker compose
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systemd.services.usda-vision = {
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description = "USDA Vision Docker Compose Stack";
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after = [ "docker.service" "network-online.target" "systemd-tmpfiles-setup.service" ];
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wants = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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# Only start if .env file exists and is not empty
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unitConfig = {
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ConditionPathExists = "/var/lib/usda-vision/.env";
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ConditionPathIsReadWrite = "/var/lib/usda-vision/.env";
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};
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preStart = ''
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# Copy application code to writable directory if not already present or if source is newer
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echo "Syncing application code to /var/lib/usda-vision..."
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${pkgs.rsync}/bin/rsync -av --delete \
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--checksum \
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--exclude='node_modules' \
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--exclude='.env' \
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--exclude='__pycache__' \
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--exclude='.venv' \
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${usda-vision-app}/opt/usda-vision/ /var/lib/usda-vision/
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# Ensure .env file exists with defaults if empty
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if [ ! -s /var/lib/usda-vision/.env ]; then
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if [ -f ${usda-vision-app}/opt/usda-vision/.env.example ]; then
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echo "Copying .env.example to /var/lib/usda-vision/.env"
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cp ${usda-vision-app}/opt/usda-vision/.env.example /var/lib/usda-vision/.env
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echo "Please edit /var/lib/usda-vision/.env with your configuration"
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fi
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fi
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'';
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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WorkingDirectory = "/var/lib/usda-vision";
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User = "root";
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Group = "root";
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# Start: pull latest images and start containers from writable directory
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ExecStart = "${pkgs.docker-compose}/bin/docker-compose -f /var/lib/usda-vision/docker-compose.yml up -d --build";
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# Stop: gracefully stop containers
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ExecStop = "${pkgs.docker-compose}/bin/docker-compose -f /var/lib/usda-vision/docker-compose.yml down";
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# Reload: restart containers
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ExecReload = "${pkgs.bash}/bin/bash -c '${pkgs.docker-compose}/bin/docker-compose -f /var/lib/usda-vision/docker-compose.yml down && ${pkgs.docker-compose}/bin/docker-compose -f /var/lib/usda-vision/docker-compose.yml up -d --build'";
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TimeoutStartSec = 300;
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TimeoutStopSec = 120;
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};
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};
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# Firewall configuration - open ports for USDA Vision services
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networking.firewall = {
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enable = false;
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allowedTCPPorts = [
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# Web services
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80 # HTTP
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443 # HTTPS
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3000 # Main web app (if exposed directly)
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3001 # Vision video remote web app
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3002 # Vision system remote web app
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3003 # Scheduling remote web app
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4000 # Analytics service web app
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# Supabase services
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54321 # Supabase Kong (API Gateway)
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54322 # Supabase PostgreSQL
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54323 # Supabase Studio
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54324 # Supabase Inbucket (email testing)
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54327 # Supabase Analytics
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# USDA Vision services
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8000 # Camera Management API
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8025 # Mailpit (email testing)
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8090 # Media API
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8189 # MediaMTX API
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8554 # RTSP (MediaMTX)
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8889 # MediaMTX WebRTC
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];
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allowedUDPPorts = [
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3956 # GigE Vision Control Protocol (GVCP)
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];
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allowPing = true;
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};
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# Any other usda-dash specific configuration
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};
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}
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