# Build stage
FROM golang:1.22-alpine AS builder

WORKDIR /app

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

# Copy source code
COPY . .

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

# Final stage
FROM alpine:3.19

WORKDIR /app

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

# Copy binary from builder
COPY --from=builder /app/main .

# Expose port
EXPOSE 8081

# Run the binary
CMD ["./main"]