diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..df6531a
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,35 @@
+# ------------------------------------------------------------------------------
+# <auto-generated>
+#
+#     This code was generated.
+#
+#     - To turn off auto-generation set:
+#
+#         [GitHubActions (AutoGenerate = false)]
+#
+#     - To trigger manual generation invoke:
+#
+#         nuke --generate-configuration GitHubActions_ci --host GitHubActions
+#
+# </auto-generated>
+# ------------------------------------------------------------------------------
+
+name: ci
+
+on: [push]
+
+jobs:
+  ubuntu-latest:
+    name: ubuntu-latest
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: 'Cache: .nuke/temp, ~/.nuget/packages'
+        uses: actions/cache@v4
+        with:
+          path: |
+            .nuke/temp
+            ~/.nuget/packages
+          key: ${{ runner.os }}-${{ hashFiles('**/global.json', '**/*.csproj', '**/Directory.Packages.props') }}
+      - name: 'Run: Test'
+        run: ./build.cmd Test
diff --git a/.nuke/build.schema.json b/.nuke/build.schema.json
new file mode 100644
index 0000000..557f2b3
--- /dev/null
+++ b/.nuke/build.schema.json
@@ -0,0 +1,117 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "properties": {
+    "Configuration": {
+      "type": "string",
+      "description": "Configuration to build - Default is 'Debug' (local) or 'Release' (server)",
+      "enum": [
+        "Debug",
+        "Release"
+      ]
+    },
+    "Solution": {
+      "type": "string",
+      "description": "Path to a solution file that is automatically loaded"
+    }
+  },
+  "definitions": {
+    "Host": {
+      "type": "string",
+      "enum": [
+        "AppVeyor",
+        "AzurePipelines",
+        "Bamboo",
+        "Bitbucket",
+        "Bitrise",
+        "GitHubActions",
+        "GitLab",
+        "Jenkins",
+        "Rider",
+        "SpaceAutomation",
+        "TeamCity",
+        "Terminal",
+        "TravisCI",
+        "VisualStudio",
+        "VSCode"
+      ]
+    },
+    "ExecutableTarget": {
+      "type": "string",
+      "enum": [
+        "Clean",
+        "Compile",
+        "Publish",
+        "Restore",
+        "Test"
+      ]
+    },
+    "Verbosity": {
+      "type": "string",
+      "description": "",
+      "enum": [
+        "Verbose",
+        "Normal",
+        "Minimal",
+        "Quiet"
+      ]
+    },
+    "NukeBuild": {
+      "properties": {
+        "Continue": {
+          "type": "boolean",
+          "description": "Indicates to continue a previously failed build attempt"
+        },
+        "Help": {
+          "type": "boolean",
+          "description": "Shows the help text for this build assembly"
+        },
+        "Host": {
+          "description": "Host for execution. Default is 'automatic'",
+          "$ref": "#/definitions/Host"
+        },
+        "NoLogo": {
+          "type": "boolean",
+          "description": "Disables displaying the NUKE logo"
+        },
+        "Partition": {
+          "type": "string",
+          "description": "Partition to use on CI"
+        },
+        "Plan": {
+          "type": "boolean",
+          "description": "Shows the execution plan (HTML)"
+        },
+        "Profile": {
+          "type": "array",
+          "description": "Defines the profiles to load",
+          "items": {
+            "type": "string"
+          }
+        },
+        "Root": {
+          "type": "string",
+          "description": "Root directory during build execution"
+        },
+        "Skip": {
+          "type": "array",
+          "description": "List of targets to be skipped. Empty list skips all dependencies",
+          "items": {
+            "$ref": "#/definitions/ExecutableTarget"
+          }
+        },
+        "Target": {
+          "type": "array",
+          "description": "List of targets to be invoked. Default is '{default_target}'",
+          "items": {
+            "$ref": "#/definitions/ExecutableTarget"
+          }
+        },
+        "Verbosity": {
+          "description": "Logging verbosity during build execution. Default is 'Normal'",
+          "$ref": "#/definitions/Verbosity"
+        }
+      }
+    }
+  },
+  "$ref": "#/definitions/NukeBuild"
+}
diff --git a/.nuke/parameters.json b/.nuke/parameters.json
new file mode 100644
index 0000000..72fb804
--- /dev/null
+++ b/.nuke/parameters.json
@@ -0,0 +1,4 @@
+{
+  "$schema": "./build.schema.json",
+  "Solution": "Geo.sln"
+}
diff --git a/Geo.sln b/Geo.sln
index 688a25d..362d650 100644
--- a/Geo.sln
+++ b/Geo.sln
@@ -7,12 +7,16 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Geo", "Geo\Geo.csproj", "{E
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Geo.Tests", "Geo.Tests\Geo.Tests.csproj", "{8201E372-6373-432A-A360-73C744426075}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "_build", "build\_build.csproj", "{B79D83A1-D25D-49F4-A411-A9A971A33E0F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B79D83A1-D25D-49F4-A411-A9A971A33E0F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B79D83A1-D25D-49F4-A411-A9A971A33E0F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8201E372-6373-432A-A360-73C744426075}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{8201E372-6373-432A-A360-73C744426075}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8201E372-6373-432A-A360-73C744426075}.Release|Any CPU.ActiveCfg = Release|Any CPU
diff --git a/build.cmd b/build.cmd
new file mode 100755
index 0000000..b08cc59
--- /dev/null
+++ b/build.cmd
@@ -0,0 +1,7 @@
+:; set -eo pipefail
+:; SCRIPT_DIR=$(cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd)
+:; ${SCRIPT_DIR}/build.sh "$@"
+:; exit $?
+
+@ECHO OFF
+powershell -ExecutionPolicy ByPass -NoProfile -File "%~dp0build.ps1" %*
diff --git a/build.ps1 b/build.ps1
new file mode 100644
index 0000000..3e94fae
--- /dev/null
+++ b/build.ps1
@@ -0,0 +1,74 @@
+[CmdletBinding()]
+Param(
+    [Parameter(Position=0,Mandatory=$false,ValueFromRemainingArguments=$true)]
+    [string[]]$BuildArguments
+)
+
+Write-Output "PowerShell $($PSVersionTable.PSEdition) version $($PSVersionTable.PSVersion)"
+
+Set-StrictMode -Version 2.0; $ErrorActionPreference = "Stop"; $ConfirmPreference = "None"; trap { Write-Error $_ -ErrorAction Continue; exit 1 }
+$PSScriptRoot = Split-Path $MyInvocation.MyCommand.Path -Parent
+
+###########################################################################
+# CONFIGURATION
+###########################################################################
+
+$BuildProjectFile = "$PSScriptRoot\build\_build.csproj"
+$TempDirectory = "$PSScriptRoot\\.nuke\temp"
+
+$DotNetGlobalFile = "$PSScriptRoot\\global.json"
+$DotNetInstallUrl = "https://dot.net/v1/dotnet-install.ps1"
+$DotNetChannel = "STS"
+
+$env:DOTNET_SKIP_FIRST_TIME_EXPERIENCE = 1
+$env:DOTNET_CLI_TELEMETRY_OPTOUT = 1
+$env:DOTNET_MULTILEVEL_LOOKUP = 0
+
+###########################################################################
+# EXECUTION
+###########################################################################
+
+function ExecSafe([scriptblock] $cmd) {
+    & $cmd
+    if ($LASTEXITCODE) { exit $LASTEXITCODE }
+}
+
+# If dotnet CLI is installed globally and it matches requested version, use for execution
+if ($null -ne (Get-Command "dotnet" -ErrorAction SilentlyContinue) -and `
+     $(dotnet --version) -and $LASTEXITCODE -eq 0) {
+    $env:DOTNET_EXE = (Get-Command "dotnet").Path
+}
+else {
+    # Download install script
+    $DotNetInstallFile = "$TempDirectory\dotnet-install.ps1"
+    New-Item -ItemType Directory -Path $TempDirectory -Force | Out-Null
+    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+    (New-Object System.Net.WebClient).DownloadFile($DotNetInstallUrl, $DotNetInstallFile)
+
+    # If global.json exists, load expected version
+    if (Test-Path $DotNetGlobalFile) {
+        $DotNetGlobal = $(Get-Content $DotNetGlobalFile | Out-String | ConvertFrom-Json)
+        if ($DotNetGlobal.PSObject.Properties["sdk"] -and $DotNetGlobal.sdk.PSObject.Properties["version"]) {
+            $DotNetVersion = $DotNetGlobal.sdk.version
+        }
+    }
+
+    # Install by channel or version
+    $DotNetDirectory = "$TempDirectory\dotnet-win"
+    if (!(Test-Path variable:DotNetVersion)) {
+        ExecSafe { & powershell $DotNetInstallFile -InstallDir $DotNetDirectory -Channel $DotNetChannel -NoPath }
+    } else {
+        ExecSafe { & powershell $DotNetInstallFile -InstallDir $DotNetDirectory -Version $DotNetVersion -NoPath }
+    }
+    $env:DOTNET_EXE = "$DotNetDirectory\dotnet.exe"
+}
+
+Write-Output "Microsoft (R) .NET SDK version $(& $env:DOTNET_EXE --version)"
+
+if (Test-Path env:NUKE_ENTERPRISE_TOKEN) {
+    & $env:DOTNET_EXE nuget remove source "nuke-enterprise" > $null
+    & $env:DOTNET_EXE nuget add source "https://f.feedz.io/nuke/enterprise/nuget" --name "nuke-enterprise" --username "PAT" --password $env:NUKE_ENTERPRISE_TOKEN > $null
+}
+
+ExecSafe { & $env:DOTNET_EXE build $BuildProjectFile /nodeReuse:false /p:UseSharedCompilation=false -nologo -clp:NoSummary --verbosity quiet }
+ExecSafe { & $env:DOTNET_EXE run --project $BuildProjectFile --no-build -- $BuildArguments }
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..2f10dcb
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+
+bash --version 2>&1 | head -n 1
+
+set -eo pipefail
+SCRIPT_DIR=$(cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd)
+
+###########################################################################
+# CONFIGURATION
+###########################################################################
+
+BUILD_PROJECT_FILE="$SCRIPT_DIR/build/_build.csproj"
+TEMP_DIRECTORY="$SCRIPT_DIR//.nuke/temp"
+
+DOTNET_GLOBAL_FILE="$SCRIPT_DIR//global.json"
+DOTNET_INSTALL_URL="https://dot.net/v1/dotnet-install.sh"
+DOTNET_CHANNEL="STS"
+
+export DOTNET_CLI_TELEMETRY_OPTOUT=1
+export DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
+export DOTNET_MULTILEVEL_LOOKUP=0
+
+###########################################################################
+# EXECUTION
+###########################################################################
+
+function FirstJsonValue {
+    perl -nle 'print $1 if m{"'"$1"'": "([^"]+)",?}' <<< "${@:2}"
+}
+
+# If dotnet CLI is installed globally and it matches requested version, use for execution
+if [ -x "$(command -v dotnet)" ] && dotnet --version &>/dev/null; then
+    export DOTNET_EXE="$(command -v dotnet)"
+else
+    # Download install script
+    DOTNET_INSTALL_FILE="$TEMP_DIRECTORY/dotnet-install.sh"
+    mkdir -p "$TEMP_DIRECTORY"
+    curl -Lsfo "$DOTNET_INSTALL_FILE" "$DOTNET_INSTALL_URL"
+    chmod +x "$DOTNET_INSTALL_FILE"
+
+    # If global.json exists, load expected version
+    if [[ -f "$DOTNET_GLOBAL_FILE" ]]; then
+        DOTNET_VERSION=$(FirstJsonValue "version" "$(cat "$DOTNET_GLOBAL_FILE")")
+        if [[ "$DOTNET_VERSION" == ""  ]]; then
+            unset DOTNET_VERSION
+        fi
+    fi
+
+    # Install by channel or version
+    DOTNET_DIRECTORY="$TEMP_DIRECTORY/dotnet-unix"
+    if [[ -z ${DOTNET_VERSION+x} ]]; then
+        "$DOTNET_INSTALL_FILE" --install-dir "$DOTNET_DIRECTORY" --channel "$DOTNET_CHANNEL" --no-path
+    else
+        "$DOTNET_INSTALL_FILE" --install-dir "$DOTNET_DIRECTORY" --version "$DOTNET_VERSION" --no-path
+    fi
+    export DOTNET_EXE="$DOTNET_DIRECTORY/dotnet"
+fi
+
+echo "Microsoft (R) .NET SDK version $("$DOTNET_EXE" --version)"
+
+if [[ ! -z ${NUKE_ENTERPRISE_TOKEN+x} && "$NUKE_ENTERPRISE_TOKEN" != "" ]]; then
+    "$DOTNET_EXE" nuget remove source "nuke-enterprise" &>/dev/null || true
+    "$DOTNET_EXE" nuget add source "https://f.feedz.io/nuke/enterprise/nuget" --name "nuke-enterprise" --username "PAT" --password "$NUKE_ENTERPRISE_TOKEN" --store-password-in-clear-text &>/dev/null || true
+fi
+
+"$DOTNET_EXE" build "$BUILD_PROJECT_FILE" /nodeReuse:false /p:UseSharedCompilation=false -nologo -clp:NoSummary --verbosity quiet
+"$DOTNET_EXE" run --project "$BUILD_PROJECT_FILE" --no-build -- "$@"