chore: add ansible backend docker frontend-prep

docker/frontend/Dockerfile

@@ -0,0 +1,48 @@
+# =========================================================
+# Stage 1: Build Frontend
+# =========================================================
+FROM node:20-alpine AS builder
+
+WORKDIR /build
+
+# Copier package files depuis frontend-prep
+COPY frontend/frontend-prep/package*.json ./
+
+# Installer les dépendances
+RUN npm ci
+
+# Copier le code source
+COPY frontend/frontend-prep/ .
+
+# Build
+RUN npm run build
+
+# =========================================================
+# Stage 2: Nginx + ModSecurity
+# =========================================================
+FROM owasp/modsecurity-crs:nginx-alpine
+
+USER root
+
+# Copier build frontend
+COPY --from=builder /build/dist /usr/share/nginx/html
+
+#COPY docker/frontend/cert/cert.pem /etc/nginx/certs/cert.pem
+#COPY docker/frontend/cert/key.pem /etc/nginx/certs/key.pem
+#RUN chown root:nginx /etc/nginx/certs/cert.pem /etc/nginx/certs/key.pem && \
+#    chmod 644 /etc/nginx/certs/cert.pem && \
+#    chmod 640 /etc/nginx/certs/key.pem
+
+# Logs ModSecurity
+RUN mkdir -p /var/log/modsec && chown -R nginx:nginx /var/log/modsec
+
+COPY docker/docker/frontend/nginx.conf /etc/nginx/conf.d/app.conf
+COPY docker/docker/frontend/custom-rules.conf /etc/nginx/modsec/custom-rules.conf
+RUN echo "Include /etc/nginx/modsec/custom-rules.conf" > /etc/nginx/modsec/custom-includes.conf
+
+RUN rm -f /etc/nginx/templates/conf.d/default.conf.template || true
+RUN chown -R nginx:nginx /usr/share/nginx/html
+
+USER nginx
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]