FROM golang:1.21-alpine AS builder

WORKDIR /app

# Install build dependencies
RUN apk add --no-cache git gcc musl-dev

# Copy and download dependencies
COPY go.mod go.sum ./
RUN go mod download

# Create templates directory
RUN mkdir -p templates

# Copy templates first
COPY templates/ templates/

# Copy source code
COPY . .

# Build the application
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /go/bin/fuckhttp3 .

# Create a minimal runtime image
FROM alpine:latest

WORKDIR /app

# Install runtime dependencies
RUN apk add --no-cache ca-certificates

# Copy the binary from the builder stage
COPY --from=builder /go/bin/fuckhttp3 .

# Copy certificates
COPY cert.pem key.pem ./

# Create templates directory and copy templates
RUN mkdir -p templates
COPY templates/ templates/

# Expose the HTTP/3 port (UDP for QUIC)
EXPOSE 8443/udp
EXPOSE 8443/tcp

# Run the application
ENTRYPOINT ["./fuckhttp3"]