port number is now an argument

implemented actions for auto-building!

.gitea/workflows/build.yaml

@@ -0,0 +1,24 @@
+name: Build bang-server
+run-name: ${{ gitea.actor }} is building bang-server
+on: [push]
+
+jobs:
+  Explore-Gitea-Actions:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "The job was automatically triggered by a ${{ gitea.event_name }} event."
+      - run: echo "This job is now running on a ${{ runner.os }} server"
+      - run: echo "Branch is ${{ gitea.ref }} and repository is ${{ gitea.repository }}."
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - run: echo "${{ gitea.repository }} repository has been cloned to the runner."
+      - run: echo "The workflow is now ready to test your code on the runner."
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.24.4'
+      - name: Build the server app
+        run: go build bang.go
+      - name: List files
+        run: ls -lh
+      - run: echo "This job's status is ${{ job.status }}."

.gitignore

@@ -1,2 +1,4 @@
 /mailboxes/
 users.json
+bang.exe
+testclient.py

bang.go

@@ -5,6 +5,7 @@ import (
 	"crypto/sha256"
 	"encoding/base64"
 	"encoding/json"
+	"flag"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -329,10 +330,13 @@ func withCORS(handler http.HandlerFunc) http.HandlerFunc {
 }
 
 func main() {
+	port := flag.Int("port", 8080, "port to listen on")
+	flag.Parse()
+
 	http.HandleFunc("/users", withCORS(createUserHandler))
 	http.HandleFunc("/email", withCORS(receiveEmailHandler))
 	http.HandleFunc("/mailbox", withCORS(listMailboxHandler))
 	http.HandleFunc("/mailbox/open", withCORS(markEmailOpenedHandler))
-	log.Println("Email server running on :80")
-	log.Fatal(http.ListenAndServe(":80", nil))
+	log.Printf("Email server running on :%d", *port)
+	log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", *port), nil))
 }