gomcp/Dockerfile.soc

# ═══════════════════════════════════════════════════════
#  SENTINEL SOC — Production Container (Multi-stage)
# ═══════════════════════════════════════════════════════
# Build:  docker build -f Dockerfile.soc -t sentinel-soc .
# Run:    docker run -p 9100:9100 -v soc-data:/data sentinel-soc
# ═══════════════════════════════════════════════════════

# ── Stage 1: Build ──────────────────────────────────────
FROM golang:1.25-alpine AS builder

RUN apk add --no-cache git ca-certificates tzdata

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

COPY . .

# Build static binary (modernc/sqlite = pure Go, no CGO needed).
RUN CGO_ENABLED=0 go build \
    -ldflags="-s -w -X main.version=$(git describe --tags --always 2>/dev/null || echo dev)" \
    -trimpath \
    -o /sentinel-soc \
    ./cmd/soc/

# ── Stage 2: Runtime ────────────────────────────────────
FROM alpine:3.21

RUN apk add --no-cache ca-certificates tzdata \
    && addgroup -S sentinel \
    && adduser -S -G sentinel sentinel

COPY --from=builder /sentinel-soc /usr/local/bin/sentinel-soc

# Default data directory for SQLite + decision logs.
RUN mkdir -p /data && chown sentinel:sentinel /data
VOLUME /data

# Run as non-root.
USER sentinel

# Default environment.
ENV SOC_DB_PATH=/data/soc.db \
    SOC_PORT=9100 \
    SOC_LOG_FORMAT=json \
    SOC_LOG_LEVEL=info

EXPOSE 9100

HEALTHCHECK --interval=15s --timeout=3s --start-period=5s --retries=3 \
    CMD wget -qO- http://localhost:9100/healthz || exit 1

ENTRYPOINT ["sentinel-soc"]