From ff4cc14a46e2b3a014e45dd3be2d19eb544ccac4 Mon Sep 17 00:00:00 2001
From: Saravana Achu Mac <saravanakumardb1@gmail.com>
Date: Sun, 15 Feb 2026 15:10:08 -0800
Subject: [PATCH] fix(extraction-service): run python sidecar on railway

---
 services/extraction-service/Dockerfile       | 29 ++++++++++----------
 services/extraction-service/supervisord.conf |  4 +--
 2 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/services/extraction-service/Dockerfile b/services/extraction-service/Dockerfile
index cdacf7bc..d28c05a6 100644
--- a/services/extraction-service/Dockerfile
+++ b/services/extraction-service/Dockerfile
@@ -2,7 +2,7 @@
 # Multi-stage: Node.js build + Python sidecar + supervisord runtime
 
 # ── Stage 1: Node.js build ───────────────────────────────────────
-FROM node:22-alpine AS ts-builder
+FROM node:22-slim AS ts-builder
 RUN npm install -g pnpm@10
 WORKDIR /app
 
@@ -39,28 +39,27 @@ RUN pnpm -r --filter @lysnrai/extraction-service... build
 # Deploy to isolated directory (production deps only)
 RUN pnpm --filter @lysnrai/extraction-service deploy --legacy /app/deploy
 
-# ── Stage 2: Python sidecar build ────────────────────────────────
-FROM python:3.12-slim AS py-builder
-WORKDIR /sidecar
+# ── Stage 2: Production runtime (Node.js + Python sidecar) ───────
+FROM node:22-slim
 
-COPY services/extraction-service/python/requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends python3 python3-venv supervisor \
+  && rm -rf /var/lib/apt/lists/*
 
-COPY services/extraction-service/python/src/ src/
-
-# ── Stage 3: Production runtime ──────────────────────────────────
-FROM node:22-alpine
-RUN apk add --no-cache python3 py3-pip supervisor
+# Create an isolated venv for sidecar deps (avoids Debian PEP 668 restrictions).
+RUN python3 -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
 
 WORKDIR /app
 
 # Copy Node.js service
 COPY --from=ts-builder /app/deploy ./
 
-# Copy Python sidecar + installed packages
-COPY --from=py-builder /usr/local/lib/python3.12/site-packages /usr/lib/python3/dist-packages
-COPY --from=py-builder /usr/local/bin/uvicorn /usr/local/bin/uvicorn
-COPY --from=py-builder /sidecar/src /app/python/src
+# Python sidecar (installed in the same OS/Python runtime to avoid ABI issues)
+WORKDIR /app/python
+COPY services/extraction-service/python/requirements.txt ./requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+COPY services/extraction-service/python/src ./src
 
 # Copy supervisord config
 COPY services/extraction-service/supervisord.conf /etc/supervisor/conf.d/extraction.conf
diff --git a/services/extraction-service/supervisord.conf b/services/extraction-service/supervisord.conf
index 89a36513..71a60004 100644
--- a/services/extraction-service/supervisord.conf
+++ b/services/extraction-service/supervisord.conf
@@ -13,10 +13,10 @@ stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
-environment=NODE_ENV="production",PORT="4005"
+environment=NODE_ENV="production"
 
 [program:python-sidecar]
-command=uvicorn src.app:app --host 0.0.0.0 --port 4006 --workers 1
+command=python3 -m uvicorn src.app:app --host 0.0.0.0 --port 4006 --workers 1
 directory=/app/python
 autostart=true
 autorestart=true