Update backend requirements - security hardening

backend/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.12-slim AS base
+FROM python:3.13-slim AS base
 
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
@@ -6,6 +6,10 @@ ENV PIP_NO_CACHE_DIR=1
 
 WORKDIR /app
 
+RUN apt-get update \
+    && apt-get upgrade -y \
+    && rm -rf /var/lib/apt/lists/*
+
 RUN addgroup --system app && adduser --system --ingroup app app
 
 COPY requirements.txt /app/requirements.txt

backend/app/core/config.py

@@ -2,7 +2,7 @@ from functools import lru_cache
 from pydantic import field_validator
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
-NEXAPG_VERSION = "0.1.4"
+NEXAPG_VERSION = "0.1.7"
 
 
 class Settings(BaseSettings):

backend/requirements.txt

@@ -1,4 +1,5 @@
-fastapi==0.116.1
+fastapi==0.129.0
+starlette==0.52.1
 uvicorn[standard]==0.35.0
 gunicorn==23.0.0
 sqlalchemy[asyncio]==2.0.44
@@ -9,5 +10,6 @@ pydantic-settings==2.11.0
 email-validator==2.2.0
 python-jose[cryptography]==3.5.0
 passlib[argon2]==1.7.4
-cryptography==45.0.7
-python-multipart==0.0.20
+cryptography==46.0.5
+python-multipart==0.0.22
+ecdsa==0.19.1