handle browser back button with nav link

Dockerfile

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+# ------------------------------------------------------
+# 1. Build Stage
+# ------------------------------------------------------
+FROM golang:1.25-alpine AS builder
+
+# Install necessary build tools for SQLite (CGO)
+RUN apk add --no-cache gcc musl-dev sqlite-dev
+
+WORKDIR /app
+
+# Cache dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source files
+COPY . .
+
+# Build with CGO enabled for SQLite
+RUN CGO_ENABLED=1 GOOS=linux go build -o server main.go
+
+# ------------------------------------------------------
+# 2. Runtime Stage
+# ------------------------------------------------------
+FROM alpine:3.20
+
+# Install SQLite (if your app interacts directly with .db file)
+RUN apk add --no-cache sqlite
+
+WORKDIR /app
+
+# Copy binary and required files
+COPY --from=builder /app/server .
+COPY --from=builder /app/css ./css
+COPY --from=builder /app/views ./views
+COPY --from=builder /app/my_website.db ./
+
+EXPOSE 8080
+
+CMD ["./server"]