diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9de5e26
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,121 @@
+garmr
+
+# Created by https://www.toptal.com/developers/gitignore/api/go,goland+all
+# Edit at https://www.toptal.com/developers/gitignore?templates=go,goland+all
+
+### Go ###
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+
+### Go Patch ###
+/vendor/
+/Godeps/
+
+### GoLand+all ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### GoLand+all Patch ###
+# Ignore everything but code style settings and run configurations
+# that are supposed to be shared within teams.
+
+.idea/*
+
+!.idea/codeStyles
+!.idea/runConfigurations
+
+# End of https://www.toptal.com/developers/gitignore/api/go,goland+all
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..865d614
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,9 @@
+module gitlab.com/fwlnx/garmr
+
+go 1.19
+
+require (
+	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
+	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..c976ccf
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,10 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f h1:J9EGpcZtP0E/raorCMxlFGSTBrsSlaDGf3jU/qvAE2c=
+github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
+github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 h1:EzJWgHovont7NscjpAxXsDA8S8BMYve8Y5+7cuRE7R0=
+github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
+github.com/xeipuuv/gojsonschema v1.2.0 h1:LhYJRs+L4fBtjZUfuSZIKGeVu0QRy8e5Xi7D17UxZ74=
+github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..f6a730b
--- /dev/null
+++ b/main.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+	"github.com/xeipuuv/gojsonschema"
+	"os"
+
+	"path/filepath"
+)
+
+func main() {
+	ex, err := os.Executable()
+	if err != nil {
+		panic(err)
+	}
+	exPath := filepath.Dir(ex)
+	schemaLoader := gojsonschema.NewReferenceLoader(fmt.Sprintf("file://%s/schema.json", exPath))
+	documentLoader := gojsonschema.NewReferenceLoader(fmt.Sprintf("file://%s/vars.json", exPath))
+
+	result, err := gojsonschema.Validate(schemaLoader, documentLoader)
+	if err != nil {
+		panic(err.Error())
+	}
+
+	if result.Valid() {
+		fmt.Println("The document is valid")
+	} else {
+		fmt.Println("The document is not valid. see errors:")
+		for _, desc := range result.Errors() {
+			fmt.Println("-", desc)
+		}
+	}
+}
diff --git a/schema.json b/schema.json
new file mode 100644
index 0000000..bfc1dc9
--- /dev/null
+++ b/schema.json
@@ -0,0 +1,29 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://fwlnx.com/config.schema.json",
+  "title": "FWLNX config",
+  "description": "FWLNX configuration file",
+  "type": "object",
+  "properties": {
+    "interfaces": {
+      "description": "Network interface definitions",
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "description": "Interface name",
+            "type": "string"
+          },
+          "alias": {
+            "description": "Interface alias",
+            "type": "string"
+          }
+        }
+      },
+      "minItems": 2,
+      "uniqueItems": true
+    }
+  },
+  "required": [ "interfaces" ]
+}
diff --git a/vars.json b/vars.json
new file mode 100644
index 0000000..552c4ad
--- /dev/null
+++ b/vars.json
@@ -0,0 +1,12 @@
+{
+  "interfaces": [
+    {
+      "alias": "WAN",
+      "name": "enp1s0"
+    },
+    {
+      "alias": "LAN",
+      "name": "enp7s0"
+    }
+  ]
+}