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scrabble-game/platform/telegram/Dockerfile
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Ilia Denisov 6a602aefae
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feat(telegram): bot support relay — per-user forum topics
Users who DM the bot anything but /start are relayed into a private
forum supergroup, one topic per user. Operators (the chat's admins)
reply in the topic and the bot copies it back to the user; an info card
opening each topic carries a Block/Unblock toggle and a Clear button.
State is a small JSON file on a new /data volume — the bot host has no
database. Off by default (TELEGRAM_SUPPORT_CHAT_ID=0): the prod bot is
unchanged until the operator sets the chat id and adds the bot as a
forum admin.

- internal/support: concurrency-safe JSON store (topic map, block list,
  relayed message ids) with field-targeted mutators and atomic save
- bot/support.go: relay both ways via copyMessage, short-TTL admin
  cache, callback buttons, per-user topic-create lock, loop guard
  (skip the bot's own posts), reopen a deleted topic on the next message
- config + compose + CI/prod-deploy: TELEGRAM_SUPPORT_CHAT_ID per
  contour + TELEGRAM_SUPPORT_STATE_DIR; bot-state named volume; /data
  pre-owned by UID 65532 so a fresh volume is writable under distroless
- docs: ARCHITECTURE §15 + decision record, FUNCTIONAL (+ru), README
2026-06-23 17:47:00 +02:00

42 lines
2.3 KiB
Docker

# Telegram platform images: the home validator (HMAC of Mini App / Login Widget
# data, no Bot API, no VPN) and the remote bot (Bot API long-poll + sendMessage,
# dialing the gateway over the reverse mTLS bot-link). One build stage compiles both
# binaries; the `validator` and `bot` targets each ship one on distroless nonroot.
#
# The platform imports only the shared scrabble/pkg module, so the build drops the
# other workspace modules (backend, gateway, loadtest), the loadtest-only
# scrabble/gateway replace and the scrabble-solver replace from a copy of go.work: it
# needs neither their sources nor the solver sibling checkout.
# Build from the repository ROOT so go.work, pkg/ and platform/telegram/ are all in
# the context (see deploy/docker-compose.yml, which sets context: ..).
FROM golang:1.26.3-alpine AS build
WORKDIR /src
COPY go.work go.work.sum ./
COPY pkg ./pkg
COPY platform/telegram ./platform/telegram
# Reduce the workspace to what the platform needs: only pkg + platform/telegram.
RUN go work edit -dropuse=./backend -dropuse=./gateway -dropuse=./loadtest -dropreplace=scrabble/gateway@v0.0.0 -dropreplace=scrabble-solver
# VERSION (the deploy passes the git tag) is stamped into both binaries via the linker.
ARG VERSION=dev
RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags "-X scrabble/pkg/version.Version=${VERSION}" -o /out/validator ./platform/telegram/cmd/validator
RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags "-X scrabble/pkg/version.Version=${VERSION}" -o /out/bot ./platform/telegram/cmd/bot
# The bot's support relay writes its JSON state under /data. Stage an empty directory
# owned by the distroless nonroot UID so a fresh named volume mounted there inherits
# writable ownership (Docker copies the image dir's mode/owner into an empty volume).
RUN mkdir -p /out/data
# --- validator (home) --------------------------------------------------------
FROM gcr.io/distroless/static-debian12:nonroot AS validator
COPY --from=build /out/validator /usr/local/bin/validator
ENTRYPOINT ["/usr/local/bin/validator"]
# --- bot (remote) ------------------------------------------------------------
FROM gcr.io/distroless/static-debian12:nonroot AS bot
COPY --from=build /out/bot /usr/local/bin/bot
COPY --from=build --chown=65532:65532 /out/data /data
ENTRYPOINT ["/usr/local/bin/bot"]