1 files changed, 39 insertions, 0 deletions
diff --git a/config.go b/config.go
new file mode 100644
index 0000000..cd315c0
--- /dev/null
+++ b/config.go
@@ -0,0 +1,39 @@
+package main
+
+import "fmt"
+
+// Config represents the global Portgate config.
+type Config struct {
+	// Where Portgate will be running at.
+	portgatePort int
+	portgateHost string
+
+	// Where the requests will be proxied to.
+	targetHost string
+
+	allowedPorts   []int
+	forbiddenPorts []int
+}
+
+// GetConfig creates the Portgate config from outside sources such as
+// the environment variables and the portgate.yml file.
+func GetConfig() (Config, error) {
+	// TODO: Read config from environment/file
+	return Config{
+		portgatePort: 8080,
+		targetHost:   "localhost",
+
+		allowedPorts:   []int{80},
+		forbiddenPorts: []int{},
+	}, nil
+}
+
+// PortgateAddress is the address on which Portgate will run.
+func (c *Config) PortgateAddress() string {
+	return fmt.Sprintf("%s:%d", c.portgateHost, c.portgatePort)
+}
+
+// TargetAddress is the address of the destination server.
+func (c *Config) TargetAddress(port int) string {
+	return fmt.Sprintf("%s:%d", c.targetHost, port)
+}