Add simple config

config.go

@@ -0,0 +1,29 @@
+package gpaste
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/pelletier/go-toml"
+)
+
+type ServerConfig struct {
+	LogLevel   string             `toml:"LogLevel"`
+	URL        string             `toml:"URL"`
+	ListenAddr string             `toml:"ListenAddr"`
+	Store      *ServerStoreConfig `toml:"Store"`
+}
+
+type ServerStoreConfig struct {
+	Type string `toml:"Type"`
+}
+
+func ServerConfigFromReader(r io.Reader) (*ServerConfig, error) {
+	decoder := toml.NewDecoder(r)
+	var c ServerConfig
+	if err := decoder.Decode(&c); err != nil {
+		return nil, fmt.Errorf("error decoding server config: %w", err)
+	}
+
+	return &c, nil
+}

go.mod

@@ -5,3 +5,5 @@ go 1.17
 require github.com/google/uuid v1.3.0
 
 require github.com/go-chi/chi/v5 v5.0.7
+
+require github.com/pelletier/go-toml v1.9.4 // indirect

go.sum

@@ -2,3 +2,5 @@ github.com/go-chi/chi/v5 v5.0.7 h1:rDTPXLDHGATaeHvVlLcR4Qe0zftYethFucbjVQ1PxU8=
 github.com/go-chi/chi/v5 v5.0.7/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/pelletier/go-toml v1.9.4 h1:tjENF6MfZAg8e4ZmZTeWaWiT2vXtsoO6+iuOjFhECwM=
+github.com/pelletier/go-toml v1.9.4/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=

gpaste-server.toml

@@ -0,0 +1,6 @@
+LogLevel = "INFO"
+URL = "http://paste.example.org"
+ListenAddr = ":8080"
+
+[Store]
+Type = "memory"