# Build Stage
FROM golang:1.25.6-alpine AS builder

WORKDIR /app

# Install build dependencies including libwebp
RUN apk add --no-cache git gcc musl-dev libwebp-dev

COPY go.mod go.sum ./
RUN go mod download

COPY . .

# Fix missing entries in go.sum (run after COPY to fix overwritten files)
RUN go mod tidy
RUN k=$(ls -la) && echo "$k"

# Install swag
RUN go install github.com/swaggo/swag/cmd/swag@latest

# Generate swagger docs
RUN swag init

# Build the binary with CGO enabled for WebP support
RUN CGO_ENABLED=1 GOOS=linux go build -a -ldflags '-linkmode external -extldflags "-static"' -o main .

# Run Stage
FROM alpine:latest

WORKDIR /app

# Install runtime dependencies: CA certificates and libwebp
RUN apk --no-cache add ca-certificates libwebp

COPY --from=builder /app/main .
COPY --from=builder /app/.env . 
COPY --from=builder /app/web ./web
COPY --from=builder /app/docs ./docs
# Note: .env might be overridden by docker-compose environment

EXPOSE 8080

CMD ["./main"]