feat: Add Gitea pipelines for frontend and backend

legalconsenthub-backend/Dockerfile

@@ -0,0 +1,34 @@
+FROM eclipse-temurin:21-jdk-alpine AS builder
+
+WORKDIR /workspace/app
+
+COPY gradlew .
+COPY gradle gradle
+COPY build.gradle .
+COPY settings.gradle .
+COPY api api
+
+RUN chmod +x ./gradlew
+
+RUN ./gradlew dependencies --no-daemon
+
+COPY src src
+
+RUN ./gradlew bootJar -x test --no-daemon
+
+FROM eclipse-temurin:21-jre-alpine AS runner
+
+WORKDIR /app
+
+RUN addgroup -S spring && adduser -S spring -G spring
+USER spring:spring
+
+COPY --from=builder /workspace/app/build/libs/*.jar app.jar
+
+ENV SPRING_PROFILES_ACTIVE=prod
+ENV JAVA_OPTS="-Xms256m -Xmx512m"
+
+EXPOSE 8080
+
+ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS} -jar /app/app.jar"]
+