FROM golang:1.23-alpine AS builder

# Install tools build
RUN apk add --no-cache git curl bash build-base

WORKDIR /lti-api

# Cache dependencies
COPY go.mod go.sum ./
RUN go mod download

# Copy source code
COPY . .

# Build binary dari entrypoint (cmd/api/main.go)
RUN CGO_ENABLED=0 GOOS=linux go build -o app ./cmd/api

FROM alpine:3.20

# Install tools
RUN apk add --no-cache curl

WORKDIR /lti-api

# Copy binary hasil build
COPY --from=builder /lti-api/app .

# Copy file env example
COPY --from=builder /lti-api/.env.example .env

EXPOSE 8080

CMD ["./app"]