diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 83d513b8..6e8b02cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,6 +54,7 @@ jobs:
             ! command -v node
             ! command -v npm
             ! command -v git
+            ! command -v curl
             ! command -v pipenv
             test "$(id -u)" -eq 10001
             test -x /app/scripts/run.sh
@@ -63,3 +64,14 @@ jobs:
             python -c "import asyncio, os; from algosdk import account, mnemonic; private_key, _ = account.generate_account(); os.environ[\"ALGO_MNEMONIC\"] = mnemonic.from_private_key(private_key); import app; assert asyncio.run(app.status())[\"version\"] == app.VERSION"
             python -m pip check
           '
+      - name: Scan production image
+        run: |
+          docker run --rm \
+            -v /var/run/docker.sock:/var/run/docker.sock \
+            aquasec/trivy@sha256:cffe3f5161a47a6823fbd23d985795b3ed72a4c806da4c4df16266c02accdd6f \
+            image \
+            --no-progress \
+            --scanners vuln,secret \
+            --severity HIGH,CRITICAL \
+            --exit-code 1 \
+            "cometa-backend:${COMETA_IMAGE_TAG:-local}"
diff --git a/BOARD.md b/BOARD.md
index 1aad67b2..359197ba 100644
--- a/BOARD.md
+++ b/BOARD.md
@@ -27,7 +27,7 @@
 | Precision-safe pricing | done | Decimal observations, provenance, freshness policy, guarded legacy boundary |
 | Provider resilience | done | Typed fallback errors, bounded stale data, retry classification, circuit breaker |
 | Replay identity | done | Deterministic nested event IDs and collection-level uniqueness constraints |
-| Container baseline | done | Digest-pinned base, unprivileged user, healthcheck, bounded logs, Docker exclusions |
+| Container baseline | done | Digest-pinned Alpine base, multi-stage non-root runtime, healthcheck, image exclusions, Trivy CI gate |
 | API hardening | done | Fail-closed header authentication, trusted hosts, explicit CORS policy, bounded LP/asset/wallet requests |
 | Native Reach decoding | done | Versioned global/local codecs, exact-width integers, deterministic layout tests, no private npm runtime |
 | Legacy runtime removal | done | CB-077: Node/Reach sidecar and production source bind mount removed |
diff --git a/CLAUDE.md b/CLAUDE.md
index 91e13a7a..145386d5 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -11,7 +11,7 @@ Backend for Cometa — an Algorand DeFi platform handling liquidity pools, token
 - **Blockchain**: Algorand (py-algorand-sdk, algosdk)
 - **Contract state**: versioned native Reach decoder over Algorand state
 - **Deployment**: Docker Compose on VPS
-- **Image**: digest-pinned Python 3.12 slim
+- **Image**: digest-pinned Python 3.12 Alpine
 
 ## Project Structure
 
diff --git a/Dockerfile b/Dockerfile
index 6c8c548b..8ef3da3d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12-slim@sha256:57cd7c3a7a273101a6485ba99423ee568157882804b1124b4dd04266317710de AS builder
+FROM python:3.12-alpine@sha256:6d43704baacd1bfbe7c295d7f13079d5d8104ed33568873133f8fc69980419df AS builder
 
 WORKDIR /app
 
@@ -10,9 +10,7 @@ ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
 
 ARG PIPENV_RELEASE=2024.4.0
 
-RUN apt-get update \
-    && apt-get install --yes --no-install-recommends git \
-    && rm -rf /var/lib/apt/lists/*
+RUN apk add --no-cache build-base git libffi-dev
 
 COPY Pipfile Pipfile.lock ./
 RUN python -m venv /opt/pipenv \
@@ -20,7 +18,7 @@ RUN python -m venv /opt/pipenv \
     && /opt/pipenv/bin/pipenv verify \
     && /opt/pipenv/bin/pipenv sync
 
-FROM python:3.12-slim@sha256:57cd7c3a7a273101a6485ba99423ee568157882804b1124b4dd04266317710de AS runtime
+FROM python:3.12-alpine@sha256:6d43704baacd1bfbe7c295d7f13079d5d8104ed33568873133f8fc69980419df AS runtime
 
 WORKDIR /app
 
@@ -30,8 +28,8 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 COPY --from=builder /app/.venv /app/.venv
 
-RUN groupadd --system --gid 10001 cometa \
-    && useradd --system --uid 10001 --gid cometa --home-dir /home/cometa --create-home cometa
+RUN addgroup -S -g 10001 cometa \
+    && adduser -S -D -u 10001 -G cometa -h /home/cometa cometa
 
 COPY --chown=cometa:cometa app.py env.py telegram_bot.py ./
 COPY --chown=cometa:cometa api ./api
diff --git a/README.md b/README.md
index edc26a32..7013dfad 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 <p align="center">
   <a href="https://github.com/MetaLabsOG/cometa-backend/actions/workflows/ci.yml"><img src="https://github.com/MetaLabsOG/cometa-backend/actions/workflows/ci.yml/badge.svg" alt="CI" /></a>
   <a href="https://www.python.org/"><img src="https://img.shields.io/badge/Python-3.12-3776AB?logo=python&logoColor=white" alt="Python 3.12" /></a>
-  <a href="https://fastapi.tiangolo.com/"><img src="https://img.shields.io/badge/FastAPI-0.135-009688?logo=fastapi&logoColor=white" alt="FastAPI" /></a>
+  <a href="https://fastapi.tiangolo.com/"><img src="https://img.shields.io/badge/FastAPI-0.139-009688?logo=fastapi&logoColor=white" alt="FastAPI" /></a>
   <a href="https://developer.algorand.org/"><img src="https://img.shields.io/badge/Algorand-mainnet-black?logo=algorand&logoColor=white" alt="Algorand mainnet" /></a>
   <a href="https://api.cometa.farm/status"><img src="https://img.shields.io/website?label=API&up_message=online&down_message=offline&url=https%3A%2F%2Fapi.cometa.farm%2Fstatus" alt="API status" /></a>
 </p>
@@ -42,6 +42,7 @@ MongoDB—into stable, query-oriented API models for the product frontend.
 | **Resilient price routing** | Vestige and Tinyman payloads are validated with provenance and bounded staleness; retry classification and a guarded Vestige refresh prevent failure storms. |
 | **Operational boundaries** | Selected latency-sensitive SDK calls leave the event loop through executors; wallet fan-out is cached and bounded; background workers reconcile chain state without coupling reads to refresh latency. |
 | **Versioned chain decoding** | Reach 0.1.11 state is decoded natively from Algorand with explicit per-version layouts, exact-width integers, and fail-closed schema validation. |
+| **Supply-chain hardening** | The digest-pinned Alpine image is multi-stage, non-root, and Python-only; CI smoke-tests it and rejects high/critical vulnerabilities or embedded secrets. |
 
 The codebase combines a production system's real constraints with incremental
 modernization: pure domain modules and strict typing sit beside legacy adapters,
@@ -134,9 +135,10 @@ This single command runs:
   state-codec and security-boundary tests.
 
 CI repeats those checks on every pull request and every push to `main`, verifies
-the lockfile, and validates the Compose configuration. The focused coverage
-ratchet is currently 75%; it measures maintained domain and infrastructure
-modules rather than presenting a misleading whole-repository number.
+the lockfile and Compose configuration, builds and smoke-tests the production
+image, and scans it with Trivy. The focused coverage ratchet is currently 75%;
+it measures maintained domain and infrastructure modules rather than presenting
+a misleading whole-repository number.
 
 Useful individual targets are `make lint`, `make format-check`,
 `make typecheck`, and `make test`.
diff --git a/scripts/run.sh b/scripts/run.sh
index 1d6d37bb..4231a5cf 100755
--- a/scripts/run.sh
+++ b/scripts/run.sh
@@ -1,13 +1,13 @@
-#!/usr/bin/env bash
-set -Eeuo pipefail
+#!/bin/sh
+set -eu
 
-readonly SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
-readonly PROJECT_ROOT="$(cd -- "${SCRIPT_DIR}/.." && pwd -P)"
+script_dir="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd -P)"
+project_root="$(dirname -- "${script_dir}")"
 
-cd -- "${PROJECT_ROOT}"
+cd -- "${project_root}"
 
-if [[ ! -f "app.py" ]]; then
-    printf 'ERROR: application entrypoint not found: %s/app.py\n' "${PROJECT_ROOT}" >&2
+if [ ! -f "app.py" ]; then
+    printf 'ERROR: application entrypoint not found: %s/app.py\n' "${project_root}" >&2
     exit 1
 fi