Initial commit

Dockerfile

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+# Builder stage
+FROM golang:1.26-alpine AS builder
+
+# Install C compiler and musl headers required for CGO + go-sqlite3
+RUN apk add --no-cache gcc musl-dev
+
+# Enable CGO (required by github.com/mattn/go-sqlite3)
+ENV CGO_ENABLED=1
+
+# Cache build and module caches for faster rebuilds
+ENV GOCACHE=/go-cache
+ENV GOMODCACHE=/go/pkg/mod
+
+# Set working directory
+WORKDIR /build
+
+# Copy dependency manifests first and download modules (cache layer)
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the rest of the source code
+COPY . .
+
+# Build a static-ish binary (C code for SQLite is compiled in; musl libc stays dynamic)
+RUN go build -o /app/server ./cmd/server/
+
+# Runtime stage
+FROM alpine:3.20
+
+# ca-certificates for TLS, tzdata for timezone support
+RUN apk add --no-cache ca-certificates tzdata
+
+# Create non-root user for better security
+RUN addgroup -S app && adduser -S app -G app
+
+# Set working directory
+WORKDIR /app
+
+# Copy the binary from the builder stage
+COPY --from=builder /app/server /app/server
+
+# Copy static and template assets from the project source
+COPY --from=builder /build/static /app/static
+COPY --from=builder /build/templates /app/templates
+
+# Ensure the app user owns the working dir (DB file created here at runtime)
+RUN chown -R app:app /app
+
+USER app
+
+# Expose the HTTP port
+EXPOSE 8080
+
+# Default command
+CMD ["./server", "-addr", ":8080"]