# Build Go API binary
ARG GO_IMAGE=golang:1.26-alpine
ARG NODE_IMAGE=node:22-alpine
FROM ${GO_IMAGE} AS go-builder

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

WORKDIR /app

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

COPY . .
ARG VERSION=dev
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo \
    -ldflags "-X containr/internal/api.Version=${VERSION}" -o main cmd/server/main.go

# Node-agent binaries served by the API for SSH/bootstrap installs.
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags "-X main.version=${VERSION}" -o /agents/containr-agent-linux-amd64 ./cmd/agent && \
    CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags "-X main.version=${VERSION}" -o /agents/containr-agent-linux-arm64 ./cmd/agent

# Build embedded Better Auth runtime dependencies
FROM ${NODE_IMAGE} AS auth-builder

WORKDIR /auth

COPY auth/package*.json ./
RUN npm ci --omit=dev

COPY auth/src ./src

# Final runtime image (Go API + Better Auth sidecar in one container)
FROM ${NODE_IMAGE}

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

RUN addgroup -g 1001 -S appgroup && \
    adduser -u 1001 -S appuser -G appgroup

WORKDIR /app

COPY --from=go-builder /app/main ./main
COPY --from=go-builder /app/migrations_goose ./migrations_goose
COPY --from=go-builder /agents /agents
COPY --from=auth-builder /auth ./auth

RUN chown -R appuser:appgroup /app

USER appuser

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:8080/health || exit 1

CMD ["./main"]