Prepare for deployment

Dockerfile

@@ -0,0 +1,40 @@
+# Build stage
+FROM golang:1.22-alpine AS builder
+
+WORKDIR /app
+
+# Copy and download dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the source code
+COPY . .
+
+# Install required packages for cgo
+RUN apk add --no-cache gcc musl-dev
+
+# Build with cgo enabled
+ENV CGO_ENABLED=1
+
+# Build the Go application
+RUN go build -o app .
+
+# Runtime stage
+FROM alpine:latest
+
+WORKDIR /root/
+
+# Install SQLite CLI for runtime
+RUN apk add --no-cache sqlite
+
+# Copy the binary from the builder stage
+COPY --from=builder /app/app .
+COPY --from=builder /app/static/index.html.tmpl ./static/index.html.tmpl
+COPY --from=builder /app/static/result.html.tmpl ./static/result.html.tmpl
+
+# Expose the port the app runs on
+EXPOSE 8080
+
+# Run the application
+CMD ["./app"]
+

go.mod

@@ -1,5 +1,5 @@
 module wa5p.eu/datefinder
 
-go 1.22.0
+go 1.22
 
 require github.com/mattn/go-sqlite3 v1.14.24

static/index.html.tmpl

@@ -116,7 +116,7 @@
             console.log(`Submitting dates for ${submitName.value}`)
             console.log(JSON.stringify(choices))
 
-            const url = "http://localhost:8080/api/submit";
+            const url = "/api/submit";
 
             fetch(url, {
                 method: "POST", // Specify the HTTP method
@@ -136,7 +136,7 @@
                     submitBtn.remove()
                     submitNameLabel.remove()
 
-                    const textNode = document.createTextNode("Choices submitted. Thx.");
+                    const textNode = document.createTextNode("This is some text added to the body.");
                     document.body.appendChild(textNode);
                 })
                 .catch(error => {

static/result.html.tmpl

@@ -118,7 +118,7 @@
                     tooltip.style.color = "white";
                     tooltip.style.borderRadius = "4px";
                     tooltip.style.fontSize = "12px";
-                    tooltip.style.visibility = "visible";
+                    tooltip.style.visibility = "hidden";
                     tooltip.style.whiteSpace = "nowrap";
                     tooltip.style.zIndex = "1000";
                     document.body.appendChild(tooltip);
@@ -151,7 +151,7 @@
             }
         }
 
-        const url = "http://localhost:8080/api/result/{{ .PollId }}"
+        const url = "/api/result/{{ .PollId }}"
 
         fetch(url, {method: "GET"})
             .then(response => {