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scrabble-game/gateway/Dockerfile
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Ilia Denisov 0c55574ddd
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R2: drop ./loadtest from the backend/gateway/telegram image builds
Adding the loadtest module to go.work (use ./loadtest + the scrabble/gateway
replace it needs) broke the other services' Docker builds: their reduced
workspace still referenced ./loadtest (not in their build context), failing with
'cannot load module loadtest: open loadtest/go.mod: no such file or directory'.
Each service Dockerfile now also -dropuse=./loadtest; backend and telegram (which
do not COPY ./gateway) additionally -dropreplace the loadtest-only scrabble/gateway
replace. Verified by building all three images plus loadtest locally.
2026-06-09 23:57:26 +02:00

62 lines
2.8 KiB
Docker

# Multi-stage build for the gateway service. A node stage builds the static UI
# (Vite), the result is embedded into the Go binary (gateway/internal/webui/dist),
# and the Go stage — mirroring platform/telegram/Dockerfile — yields a static
# binary shipped on distroless nonroot. So the single binary serves the SPA at /
# and /telegram/ (docs/ARCHITECTURE.md §13) with no separate static container.
#
# The production UI build vars are image build-args, baked into the bundle.
# Build from the repository root so go.work, pkg/, gateway/ and ui/ are all in the
# Docker context:
# docker build -f gateway/Dockerfile \
# --build-arg VITE_GATEWAY_URL=https://example \
# -t scrabble-gateway .
# --- UI build ----------------------------------------------------------------
FROM node:22-alpine AS ui
WORKDIR /ui
RUN corepack enable && corepack prepare pnpm@11.0.9 --activate
# Prod UI build vars (Vite reads VITE_-prefixed env at build; baked into the bundle).
# VITE_APP_VERSION carries `git describe` for the About screen (defaults to "dev").
ARG VITE_TELEGRAM_BOT_ID=
ARG VITE_TELEGRAM_LINK=
ARG VITE_TELEGRAM_GAME_CHANNEL_NAME_EN=
ARG VITE_TELEGRAM_GAME_CHANNEL_NAME_RU=
ARG VITE_GATEWAY_URL=
ARG VITE_APP_VERSION=
ENV VITE_TELEGRAM_BOT_ID=$VITE_TELEGRAM_BOT_ID \
VITE_TELEGRAM_LINK=$VITE_TELEGRAM_LINK \
VITE_TELEGRAM_GAME_CHANNEL_NAME_EN=$VITE_TELEGRAM_GAME_CHANNEL_NAME_EN \
VITE_TELEGRAM_GAME_CHANNEL_NAME_RU=$VITE_TELEGRAM_GAME_CHANNEL_NAME_RU \
VITE_GATEWAY_URL=$VITE_GATEWAY_URL \
VITE_APP_VERSION=$VITE_APP_VERSION
# Install with the lockfile first (the workspace file carries pnpm's build-script
# approval for esbuild), then build. Committed src/gen/ means no codegen here.
COPY ui/package.json ui/pnpm-lock.yaml ui/pnpm-workspace.yaml ./
RUN pnpm install --frozen-lockfile
COPY ui ./
RUN pnpm build
# --- Go build ----------------------------------------------------------------
FROM golang:1.26.3-alpine AS build
WORKDIR /src
COPY go.work go.work.sum ./
COPY pkg ./pkg
COPY gateway ./gateway
# Replace the committed placeholder with the freshly built UI before compiling, so
# go:embed bakes the real bundle into the binary.
RUN rm -rf gateway/internal/webui/dist
COPY --from=ui /ui/dist gateway/internal/webui/dist
# Reduce the workspace to what the gateway needs: gateway + pkg (loadtest is not in
# this context; its scrabble/gateway replace targets ./gateway, which is present here).
RUN go work edit -dropuse=./backend -dropuse=./platform/telegram -dropuse=./loadtest
RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -o /out/gateway ./gateway/cmd/gateway
# --- runtime -----------------------------------------------------------------
FROM gcr.io/distroless/static-debian12:nonroot
COPY --from=build /out/gateway /usr/local/bin/gateway
ENTRYPOINT ["/usr/local/bin/gateway"]