FROM golang:1.24-alpine AS builder

# Set working directory
WORKDIR /app

# Copy go mod files first for better caching
COPY go.mod go.sum ./
RUN go mod download

# Copy source code
COPY . .

# Build the client
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o client ./test/postgres/client.go

# Final stage
FROM alpine:latest

# Install ca-certificates and netcat for health checks
RUN apk --no-cache add ca-certificates netcat-openbsd

WORKDIR /root/

# Copy the binary from builder stage
COPY --from=builder /app/client .

# Make it executable
RUN chmod +x ./client

# Set environment variables with defaults
ENV POSTGRES_HOST=localhost
ENV POSTGRES_PORT=5432
ENV POSTGRES_USER=seaweedfs
ENV POSTGRES_DB=default

# Run the client
CMD ["./client"]