# Multi-stage build to create a minimal Docker image
FROM golang:1.25.6-alpine AS builder

# Install git for go mod download
RUN apk add --no-cache git

# Set working directory
WORKDIR /app

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

# Download dependencies
RUN go mod download

# Copy source code
COPY . .

# Build the binary
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o mcgod ./cmd/mcgod

# Final stage
FROM alpine:latest

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

# Create non-root user
RUN adduser -D -u 10001 mcgod

# Set working directory
WORKDIR /home/mcgod

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

# Copy the environment file
COPY --from=builder /app/.env ./.env

# Change ownership to non-root user
RUN chown -R mcgod:mcgod /home/mcgod

# Switch to non-root user
USER mcgod

# Command to run the application
CMD ["./mcgod"]