Files
nostermd-relay/Dockerfile
T
rgoodall 294616642f
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initial public relay build repo
2026-07-24 13:11:06 -04:00

34 lines
1.2 KiB
Docker

# syntax=docker/dockerfile:1
# --- Build stage -----------------------------------------------------------
FROM golang:1.25-alpine AS build
WORKDIR /src
# Cache modules independently of source.
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# CGO disabled → a fully static binary (boltdb is pure Go), so it runs on scratch.
# The command lives in ./cmd/nostermd; internal/* holds the relay packages.
RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/nostermd ./cmd/nostermd
# Stage an empty data dir we can copy in with the correct nonroot ownership.
RUN mkdir -p /out/data
# --- Runtime stage ---------------------------------------------------------
FROM gcr.io/distroless/static-debian12:nonroot AS runtime
# Binary + a data dir pre-owned by the distroless nonroot uid (65532), so the
# unprivileged process can write the boltdb file to the mounted volume.
COPY --from=build --chown=65532:65532 /out/nostermd /nostermd
COPY --from=build --chown=65532:65532 /out/data /data
# Persisted event storage (mount a volume here in production).
VOLUME ["/data"]
ENV RELAY_DATA_DIR=/data \
RELAY_ADDR=:3334
USER 65532:65532
EXPOSE 3334
ENTRYPOINT ["/nostermd"]