# syntax=docker/dockerfile:1

# ─── Stage 1: Build Go binaries ───────────────────────────────────────────────
FROM golang:1.22-alpine AS builder

ARG SERVICE=tenant-api

RUN apk --no-cache add ca-certificates git

WORKDIR /app

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

COPY . .

RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
    go build -trimpath -ldflags="-s -w" \
    -o /bin/service ./cmd/${SERVICE}

# ─── Stage 2: Migration image (bundles SQL files + migrate binary) ─────────────
FROM migrate/migrate:v4.18.1 AS migrate-tool

FROM alpine:3.19 AS migrate
RUN apk --no-cache add ca-certificates
COPY --from=migrate-tool /usr/local/bin/migrate /usr/local/bin/migrate
COPY migrations/ /migrations/
COPY migrations_monitoring/ /migrations_monitoring/
ENTRYPOINT ["/usr/local/bin/migrate"]

# ─── Stage 3: Runtime image ────────────────────────────────────────────────────
FROM alpine:3.19 AS runtime
RUN apk --no-cache add ca-certificates tzdata

WORKDIR /app

COPY --from=builder /bin/service /app/service
COPY configs/ /app/configs/

EXPOSE 8080
ENTRYPOINT ["/app/service"]