# Build stage
FROM golang:1.24.4-alpine AS builder

# Install build dependencies
RUN apk add --no-cache git

# Set working directory
WORKDIR /build

# Copy go mod files from root directory
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

# Copy the entire app directory to maintain the module structure
COPY app/ ./app/

# Build the application from the app directory
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o serverstatistics ./app/serverstatistics.go

# Production stage
FROM alpine:latest

# Install ca-certificates for HTTPS
RUN apk --no-cache add ca-certificates

WORKDIR /root/

# Copy binary from builder
COPY --from=builder /build/serverstatistics .

# Copy config file
COPY app/etc/serverstatistics.yaml ./etc/

# Expose port
EXPOSE 8888

# Run the application
CMD ["./serverstatistics", "-f", "etc/serverstatistics.yaml"]