FROM golang:1.19-alpine AS builder

# Install git and required dependencies
RUN apk update && apk add --no-cache git

# Set working directory
WORKDIR /app

# Copy go mod and sum files
COPY go.mod go.sum* ./

# Download dependencies
RUN go mod download

# Copy source code
COPY . .

# Build the application with optimizations
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags="-s -w" -o monaco-backend .

# Use a smaller image for the final container
FROM alpine:latest

# Install Docker client and cloudflared
RUN apk update && apk add --no-cache docker-cli curl && \
    curl -L --output cloudflared.tgz https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64.tgz && \
    tar -xzf cloudflared.tgz && \
    chmod +x cloudflared && \
    mv cloudflared /usr/local/bin/ && \
    rm cloudflared.tgz

# Create directories for cloudflared
RUN mkdir -p /etc/cloudflared

# Copy the certificate file and config
COPY cert.pem /etc/cloudflared/cert.pem
COPY config.json /etc/cloudflared/config.json

# Copy the binary from builder
COPY --from=builder /app/monaco-backend /monaco-backend

# Add startup script
RUN echo '#!/bin/sh\n\
# Start the backend\n\
/monaco-backend & \n\
# Wait for backend to start\n\
sleep 5\n\
# Start cloudflared tunnel using config file\n\
cloudflared tunnel --no-autoupdate run --config /etc/cloudflared/config.json\n\
' > /start.sh && chmod +x /start.sh

# Expose port for local access
EXPOSE 8080

# Run the startup script
ENTRYPOINT ["/start.sh"]