Files
restic-manager/deploy/Dockerfile.server
T
steve c275f4ff4c phase 1 foundations: api types, store, crypto, auth
Lands the bottom three layers of Phase 1:

P1-08 internal/api: protocol_version + envelope + every WS message
  shape from spec.md §6.2 (Hello, Heartbeat, Job*, Schedule*, etc).
  Wire-format tests pin the JSON shape so a rename here breaks
  tests instead of silently breaking the agent.

P1-02 + P1-03 internal/store: SQLite via modernc.org/sqlite,
  embed.FS + a tiny version table for hand-rolled migrations.
  0001_initial.sql covers every table from spec.md §5 plus
  enrollment_tokens and host_schedule_version. Typed accessors
  for users / sessions / enrollment / audit. WAL + foreign_keys
  + busy_timeout on by default.

P1-06 internal/crypto: XChaCha20-Poly1305 AEAD wrapper with
  per-message random nonce. Key file lifecycle (generate +
  refuse-to-overwrite, load with size validation). Optional
  additionalData binds ciphertext to the row that owns it.

P1-04 internal/auth (partial — passwords + tokens; sessions
  middleware lands with the HTTP handlers): argon2id following
  RFC 9106 (64 MiB / t=3 / p=4 / 32B), constant-time verify.
  HashToken stores SHA-256 of session/agent/enrollment tokens
  so a stolen DB doesn't hand over credentials.

Build floor moves to Go 1.25 (modernc.org/sqlite v1.50+ requires
it); CI + Dockerfile + README updated. Markdown lint diagnostics
on tasks.md cleared.

All packages tested. ~70 new tests pass in <1s.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01 00:24:40 +01:00

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Docker

# syntax=docker/dockerfile:1.7
# ---- Build stage --------------------------------------------------------
FROM golang:1.25-alpine AS build
WORKDIR /src
# Pure-Go SQLite (modernc.org/sqlite) means we can keep CGO off and build a
# fully static binary that runs on distroless/static.
ENV CGO_ENABLED=0 \
GOOS=linux \
GOFLAGS="-trimpath"
# Cache module downloads in a separate layer.
COPY go.mod go.sum* ./
RUN go mod download
COPY . .
ARG VERSION=dev
RUN go build -ldflags="-s -w -X main.version=${VERSION}" \
-o /out/restic-manager-server \
./cmd/server
# ---- Runtime stage ------------------------------------------------------
FROM gcr.io/distroless/static-debian12:nonroot
LABEL org.opencontainers.image.source="https://gitea.dcglab.co.uk/steve/restic-manager"
LABEL org.opencontainers.image.licenses="PolyForm-Noncommercial-1.0.0"
USER nonroot:nonroot
WORKDIR /
COPY --from=build /out/restic-manager-server /usr/local/bin/restic-manager-server
EXPOSE 8443
ENTRYPOINT ["/usr/local/bin/restic-manager-server"]