Change docker base imaeg

backend/Dockerfile

@@ -1,16 +1,20 @@
-FROM node:18-slim AS builder
+FROM node:alpine3.18 AS builder
 WORKDIR /app
 COPY . .
 # Dependency for Prisma
-RUN apt-get update -y && apt-get install -y openssl
+RUN apk upgrade --update-cache --available && \
+    apk add openssl && \
+    rm -rf /var/cache/apk/*
 RUN npm ci
 RUN npm run build
 
-FROM node:18-slim
+FROM node:alpine3.18
 WORKDIR /app
 ENV NODE_ENV production
 COPY --from=builder /app ./
 # Dependency for Prisma
-RUN apt-get update -y && apt-get install -y openssl
+RUN apk upgrade --update-cache --available && \
+    apk add openssl && \
+    rm -rf /var/cache/apk/*
 EXPOSE 3000
 CMD ["npm", "run", "start:prod"]