feat: Added Linux daemon support

.env.sample

@@ -0,0 +1,5 @@
+ADDR=
+PROTO=
+PEM=
+KEY=
+TIMEOUT=

.goreleaser.yml

@@ -43,6 +43,11 @@ nfpms:
     maintainer: "Achmad Irianto Eka Putra <[email protected]>"
     license: "MIT"
     vendor: ryanbekhen
+    contents:
+      - src: systemd/nanoproxy.service
+        dst: /etc/systemd/system/nanoproxy.service
+      - src: .env.sample
+        dst: /etc/nanoproxy/nanoproxy.env
     formats:
       - deb
       - rpm
@@ -52,9 +57,6 @@ release:
 
 archives:
   - name_template: '{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}'
-    format_overrides:
-      - goos: windows
-        format: zip
     wrap_in_directory: true
 
 checksum:

README.md

@@ -12,12 +12,23 @@ NanoProxy is a lightweight HTTP proxy server designed to provide basic proxying
 
 ### Installation
 
+You have multiple options for installing NanoProxy:
+
+#### 1. Download from GitHub Releases
+
+You can download the latest release of NanoProxy from the 
+[GitHub Releases page](https://github.com/ryanbekhen/nanoproxy/releases). Choose the appropriate installer for your 
+operating system.
+
+#### 2. Build from Source
+
 1. Clone this repository: `git clone https://github.com/ryanbekhen/NanoProxy.git`
 2. Navigate to the project directory: `cd NanoProxy`
+3. Run the proxy server: `go build -o nanoproxy proxy.go`
 
 ### Usage
 
-1. Run the proxy server: `go run proxy.go`
+1. Run the proxy server: `./nanoproxy`
 2. The proxy will start listening on the default address and port (:8080) and use default configuration values.
 
 ### Running on Docker
@@ -38,7 +49,18 @@ You can modify the behavior of NanoProxy by adjusting the command line flags whe
 - `-proto`: Proxy protocol `http` or `https`. If set to `https`, the `-pem` and `-key` flags must be set.
 - `-timeout`: Timeout duration for tunneling connections (default: 15 seconds).
 
-Modify these flags according to your requirements.
+If you are installing NanoProxy locally, you can set the configuration using environment variables. Create a file
+at `/etc/nanoproxy/nanoproxy.env` and add the desired values:
+
+```text
+ADDR=:8080
+PROTO=http
+PEM=server.pem
+KEY=server.key
+TIMEOUT=15s
+```
+
+Modify these flags or environment variables according to your requirements.
 
 ## Contributions
 

config/config.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"flag"
+	"os"
 	"time"
 )
 
@@ -21,5 +22,28 @@ func New() *Config {
 	flag.StringVar(&c.Addr, "addr", ":8080", "proxy listen address (default :8080)")
 	flag.DurationVar(&c.TunnelTimeout, "timeout", time.Second*15, "tunnel timeout (default 15s)")
 	flag.Parse()
+
+	if os.Getenv("PEM") != "" {
+		c.PemPath = os.Getenv("PEM")
+	}
+
+	if os.Getenv("KEY") != "" {
+		c.KeyPath = os.Getenv("KEY")
+	}
+
+	if os.Getenv("PROTO") != "" {
+		c.Proto = os.Getenv("PROTO")
+	}
+
+	if os.Getenv("ADDR") != "" {
+		c.Addr = os.Getenv("ADDR")
+	}
+
+	if os.Getenv("TIMEOUT") != "" {
+		d, err := time.ParseDuration(os.Getenv("TIMEOUT"))
+		if err == nil {
+			c.TunnelTimeout = d
+		}
+	}
 	return c
 }

systemd/nanoproxy.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=NanoProxy is a simple reverse proxy written in Go
+After=network.target
+
+[Service]
+EnvironmentFile=/etc/nanoproxy/nanoproxy.env
+ExecStart=/usr/bin/nanoproxy
+WorkingDirectory=/usr/bin
+Restart=always
+User=root
+
+[Install]
+WantedBy=multi-user.target