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# ========================================

# Combined Presidio service (analyzer + anonymizer) on a single port (5001).

# CPU spaCy NER + regex/checksum pattern recognizers.

# Source files are COPY'd last so code edits never re-download deps or models.

# ========================================

FROM python:3.12-slim-bookworm AS base

WORKDIR /app

# build-essential for any sdist that compiles native deps (e.g. blis/thinc).

RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \

--mount=type=cache,target=/var/lib/apt,sharing=locked \

apt-get update && apt-get install -y --no-install-recommends \

build-essential curl ca-certificates \

&& rm -rf /var/lib/apt/lists/*

# Pinned Python deps. Separate layer so source edits don't reinstall them.

COPY apps/pii/requirements.txt ./requirements.txt

RUN --mount=type=cache,target=/root/.cache/pip \

pip install -r requirements.txt

# Pinned spaCy models (en + es/it/pl/fi, ~2.2GB total). Downloaded with

# retries/resume — the large wheels truncate on flaky networks if pip fetches

# the URLs directly.

ARG SPACY_MODELS="en_core_web_lg-3.8.0 es_core_news_lg-3.8.0 it_core_news_lg-3.8.0 pl_core_news_lg-3.8.0 fi_core_news_lg-3.8.0"

RUN --mount=type=cache,target=/root/.cache/pip \

for model in ${SPACY_MODELS}; do \

whl="${model}-py3-none-any.whl"; \

curl -fL --retry 5 --retry-delay 5 --retry-all-errors -C - \

-o "/tmp/${whl}" \

"https://github.com/explosion/spacy-models/releases/download/${model}/${whl}" || exit 1; \

done && \

pip install /tmp/*.whl && \

rm /tmp/*.whl

RUN groupadd -g 1001 pii && \

useradd -u 1001 -g pii pii && \

chown -R pii:pii /app

COPY --chown=pii:pii apps/pii/server.py ./

COPY --chown=pii:pii --chmod=755 docker/pii-entrypoint.sh ./

USER pii

# Listen on 5001. Runs as its own ECS service (separate task), reached via PII_URL;

# 5001 avoids colliding with the app's 3000 in local/compose runs on one host.

EXPOSE 5001

# Per-pattern regex match timeout (Presidio's `regex`-module `finditer(timeout=...)`),

# an interactive backstop against a catastrophic user-supplied custom regex. Presidio

# logs and skips a pattern that exceeds it — the request stays up rather than hanging.

# Set well below the 60s library default so a pathological pattern can't stall a worker.

# MUST be an integer — Presidio parses it with `int()`, so a float (e.g. 1.5) crashes

# the service at import.

ENV REGEX_TIMEOUT_SECONDS=2

# start-period covers the model cold start. With PII_WORKERS>1 each worker loads

# the five spaCy models independently and in parallel, so allow generous headroom

# (memory-bandwidth contention stretches the wall-time beyond the single-worker case).

HEALTHCHECK --interval=30s --timeout=5s --start-period=300s --retries=3 \

CMD curl -fsS http://localhost:5001/health || exit 1

# Worker count is env-driven so ONE image scales per task size: set PII_WORKERS to

# the task's vCPU count (each worker loads the models independently, ~3 GB each, so

# size task memory ≈ PII_WORKERS × 3 GB + overhead). Defaults to 1 for local/small.

CMD ["./pii-entrypoint.sh"]

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