build(docker): Change image type of backend to alpine and pin image version of frontend #4

Author: Manuel

backend/Dockerfile

@@ -4,7 +4,8 @@ COPY pom.xml .
 COPY src ./src
 RUN mvn clean install -DskipTests
 
-FROM openjdk:21 AS runner
+FROM alpine:3.22 AS runner
+RUN apk update && apk add --upgrade curl && apk --no-cache add openjdk21
 WORKDIR /app
 EXPOSE 8080
 COPY --from=builder /app/target/*.jar app.jar

frontend/Dockerfile

@@ -5,7 +5,7 @@ RUN npm ci
 COPY . .
 RUN npm run build -- --output-path=./dist/ --configuration=production
 
-FROM nginx:alpine AS runner
+FROM nginx:1.29.1-alpine AS runner
 COPY nginx.conf /etc/nginx/
 COPY --from=builder /app/dist/browser /usr/share/nginx/html
 EXPOSE 4200