add new build workflow

.env

@@ -2,4 +2,4 @@ ENV=            #empty|development
 PHOTO_DIR=images
 HOST=0.0.0.0
 PORT=8080
-INTERVAL_DEFAULT=120
+INTERVAL_DEFAULT=10

.gitea/workflows/build.yml

@@ -0,0 +1,93 @@
+name: Build Slideshow App
+
+on:
+  push:
+    tags:
+      - '*'
+
+env:
+  APP_NAME: slideshowApp
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        include:
+          - os: windows
+            arch: amd64
+            ext: .exe
+          - os: linux
+            arch: amd64
+            ext: ""
+          - os: linux
+            arch: arm64
+            ext: ""
+          - os: linux
+            arch: arm
+            arm_version: 6
+            ext: ""
+
+    steps:
+
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Ensure latest Go is installed in /data/go
+        run: |
+          export GOROOT=/data/go/go
+          export PATH=$GOROOT/bin:$PATH
+          export GOCACHE=/data/gocache
+          export GOMODCACHE=/data/gomodcache
+          mkdir -p $GOCACHE $GOMODCACHE
+
+          if [ ! -x "$GOROOT/bin/go" ]; then
+            echo "Go not found in $GOROOT, downloading latest stable..."
+            
+            GO_VERSION=$(curl -s https://go.dev/VERSION?m=text | head -n1)
+            echo "Latest version is $GO_VERSION"
+
+            mkdir -p /data/go
+            curl -sSL "https://go.dev/dl/${GO_VERSION}.linux-amd64.tar.gz" -o /tmp/go.tar.gz
+            tar -C /data/go -xzf /tmp/go.tar.gz
+          else
+            echo "Using cached Go from $GOROOT"
+          fi
+
+          go version
+
+      - name: Download Go dependencies
+        run: |
+          export GOROOT=/data/go/go
+          export PATH=$GOROOT/bin:$PATH
+          export GOCACHE=/data/gocache
+          export GOMODCACHE=/data/gomodcache
+          mkdir -p $GOCACHE $GOMODCACHE
+          go mod download
+
+      - name: Build binary
+        run: |
+          export GOROOT=/data/go/go
+          export PATH=$GOROOT/bin:$PATH
+          export GOCACHE=/data/gocache
+          export GOMODCACHE=/data/gomodcache
+          mkdir -p $GOCACHE $GOMODCACHE
+
+          OUTPUT="../${APP_NAME}"
+          if [ -n "${{ matrix.arm_version }}" ]; then
+            OUTPUT="${OUTPUT}v${{ matrix.arm_version }}"
+            export GOARM=${{ matrix.arm_version }}
+          fi
+          OUTPUT="${OUTPUT}${{ matrix.ext }}"
+          echo "Building $OUTPUT"
+          GOOS=${{ matrix.os }} GOARCH=${{ matrix.arch }} go build -ldflags="-s -w" -trimpath -o "$OUTPUT"
+        shell: bash
+    
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.APP_NAME }}-${{ matrix.os }}-${{ matrix.arch }}
+          path: |
+           ./web
+           ${APP_NAME}

.gitignore

@@ -1,2 +1,2 @@
 images/
-slideshow_app
+slideshowApp

main.go

@@ -32,7 +32,7 @@ func main() {
 	r.HandleFunc("/api/images", handlers.ListFilesHandler).Methods("GET")
 	r.HandleFunc("/ws", handlers.Websocket)
 	r.HandleFunc("/upload", handlers.UploadHandler).Methods("POST")
-	r.HandleFunc("/settings", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "settings.html") })
+	r.HandleFunc("/settings", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, staticFolder+"settings.html") })
 	r.HandleFunc("/api/save-schedule", handlers.SaveSchedule).Methods("POST")
 	r.HandleFunc("/api/get-schedule", handlers.GetSchedule).Methods("GET")
 

web/static/frame.html

@@ -193,6 +193,7 @@
                 const res = await fetch('/api/info');
                 const data = await res.json();
                 const uploadUrl = `http://${data.ip}:${data.port}/`;
+
                 new QRCode(document.getElementById("qrcode"), {
                     text: uploadUrl,
                     width: 128,