# golang:1.24-alpine, 2026-02-26
FROM golang@sha256:8bee1901f1e530bfb4a7850aa7a479d17ae3a18beb6e09064ed54cfd245b7191 AS builder

RUN apk add --no-cache git build-base

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

COPY . .

# Run all checks — build fails if branch is not green
RUN go install github.com/golangci/golangci-lint/cmd/golangci-lint@v2.1.6
RUN make check

ARG VERSION=dev
RUN go build -ldflags "-X main.Version=${VERSION}" -o /chatd ./cmd/chatd

# alpine:3.21, 2026-02-26
FROM alpine@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709

RUN apk add --no-cache ca-certificates
COPY --from=builder /chatd /usr/local/bin/chatd

WORKDIR /data
EXPOSE 8080

ENTRYPOINT ["chatd"]