# Build Stage
FROM golang:1.23-alpine AS builder

WORKDIR /app

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

# Copy source code
COPY . .

# Build the server binary
# CGO_ENABLED=0 ensures a static binary
RUN CGO_ENABLED=0 GOOS=linux go build -o grokway-server ./cmd/server

# Final Stage
FROM alpine:latest

WORKDIR /root/

# Copy the binary from builder
COPY --from=builder /app/grokway-server .

# Copy static files (needed for landing page checks)
COPY --from=builder /app/cmd/server/static ./cmd/server/static

# Expose ports
# 2222 for SSH Tunneling
# 8080 for HTTP Proxy
EXPOSE 2222 8080

# Run the binary
CMD ["./grokway-server"]