# Build stage
FROM golang:1.24-alpine AS builder

WORKDIR /app

# Install build dependencies if needed (e.g., for CGO, though we disable it)
RUN apk add --no-cache git

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

# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed
RUN go mod download

# Copy the source from the current directory to the Working Directory inside the container
COPY . .

# Build the Go app
RUN CGO_ENABLED=0 GOOS=linux go build -o api cmd/api/main.go

# Start a new stage from scratch
FROM alpine:latest

WORKDIR /app

# Install ca-certificates (useful for making HTTPS requests)
RUN apk --no-cache add ca-certificates

# Copy the Pre-built binary file from the previous stage
COPY --from=builder /app/api .

# Expose port (default 8080, but can be overridden)
EXPOSE 8080

# Command to run the executable
CMD ["./api"]
