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Add ejem1-jmeter example for scalability (part 5)
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‎parte_5/ejem1-jmeter/PostController.java‎

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‎parte_5/ejem1-jmeter/docker-compose-1.yml‎

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services:
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mysql-db:
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image: mysql:8.0
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container_name: mysql-db
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environment:
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MYSQL_ROOT_PASSWORD: root
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MYSQL_DATABASE: post
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volumes:
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- ./mysql:/var/lib/mysql
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- ./initdb:/docker-entrypoint-initdb.d:ro
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healthcheck:
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test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
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timeout: 5s
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retries: 5
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deploy:
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resources:
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limits:
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cpus: '1.0'
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memory: 512m
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# spring-app:
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# build: ./ejem-1
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# environment:
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# - SPRING_DATASOURCE_URL=jdbc:mysql://mysql-db:3306/post
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# - SPRING_DATASOURCE_PASSWORD=root
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# - SPRING_DATASOURCE_USERNAME=root
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# ports:
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# - "8090:8080"
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# depends_on:
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# mysql-db:
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# condition: service_healthy
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# deploy:
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# resources:
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# limits:
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# cpus: '1.0'
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# memory: 512m
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# spring-app:
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# build: ./ejem-2-cache
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# environment:
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# - SPRING_DATASOURCE_URL=jdbc:mysql://mysql-db:3306/post
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# - SPRING_DATASOURCE_PASSWORD=root
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# - SPRING_DATASOURCE_USERNAME=root
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# ports:
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# - "8090:8080"
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# depends_on:
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# mysql-db:
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# condition: service_healthy
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# deploy:
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# resources:
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# limits:
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# cpus: '1.0'
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# memory: 512m
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# spring-app:
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# build: ./ejem-2-cache
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# environment:
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# - SPRING_DATASOURCE_URL=jdbc:mysql://mysql-db:3306/post
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# - SPRING_DATASOURCE_PASSWORD=root
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# - SPRING_DATASOURCE_USERNAME=root
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# depends_on:
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# mysql-db:
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# condition: service_healthy
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# deploy:
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# replicas: 3 # Con LB
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# resources:
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# limits:
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# cpus: '1.0'
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# memory: 512m
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spring-app:
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build: ./ejem-2-cache-redis
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environment:
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- SPRING_DATASOURCE_URL=jdbc:mysql://mysql-db:3306/post
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- SPRING_DATASOURCE_PASSWORD=root
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- SPRING_DATASOURCE_USERNAME=root
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- SPRING_REDIS_HOST=redis_t3
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- SPRING_REDIS_PORT=6379
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depends_on:
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mysql-db:
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condition: service_healthy
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deploy:
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replicas: 3 # Con LB
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resources:
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limits:
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cpus: '1.0'
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memory: 512m
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haproxy:
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image: haproxy:latest
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container_name: lb_demo
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volumes:
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- ./haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro
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ports:
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- "80:80" # Tráfico de la App
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- "8404:8404" # Estadísticas
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depends_on:
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- spring-app
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redis:
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image: redis:alpine
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container_name: redis_t3
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# --- MONITORING (PROMETHEUS & GRAFANA) ---
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prometheus:
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image: prom/prometheus:latest
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container_name: prometheus
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volumes:
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- ./prometheus.yml:/etc/prometheus/prometheus.yml
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ports:
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- "9090:9090"
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grafana:
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image: grafana/grafana:latest
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container_name: grafana
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ports:
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- "3000:3000"
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environment:
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- GF_SECURITY_ADMIN_PASSWORD=admin
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volumes:
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- ./grafana/:/etc/grafana/provisioning/
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depends_on:
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- prometheus
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# --- CADVISOR ---
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# Si falla con el mensaje "too many open files", hay que aumentar los descriptores de ficheros: `sudo sysctl -w fs.inotify.max_user_instances=8192`
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cadvisor:
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image: gcr.io/cadvisor/cadvisor:latest
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container_name: cadvisor
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privileged: true
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command: --docker_only --disable_metrics=percpu,process,sched,tcp,udp,disk,diskIO
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ports:
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- "8088:8080"
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volumes:
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- /:/rootfs:ro
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- /var/run:/var/run:rw
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- /sys:/sys:ro
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- /var/lib/docker/:/var/lib/docker:ro
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restart: always

‎parte_5/ejem1-jmeter/docker-compose-1b.yml‎

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services:
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mysql-db:
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image: mysql:8.0
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container_name: mysql-db
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environment:
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MYSQL_ROOT_PASSWORD: root
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MYSQL_DATABASE: post
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volumes:
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- ./mysql:/var/lib/mysql
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- ./initdb:/docker-entrypoint-initdb.d:ro
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healthcheck:
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test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
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timeout: 5s
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retries: 5
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deploy:
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resources:
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limits:
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cpus: '1.0'
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memory: 1G
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spring-app:
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build: ./bd_ejem11
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environment:
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- SPRING_DATASOURCE_URL=jdbc:mysql://mysql-db:3306/post
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- SPRING_DATASOURCE_PASSWORD=root
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- SPRING_DATASOURCE_USERNAME=root
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ports:
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- "8090:8080"
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depends_on:
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mysql-db:
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condition: service_healthy
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deploy:
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resources:
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limits:
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cpus: '1.0'
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memory: 1G
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# --- MONITORING (PROMETHEUS & GRAFANA) ---
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prometheus:
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image: prom/prometheus:latest
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container_name: prometheus
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volumes:
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- ./prometheus.yml:/etc/prometheus/prometheus.yml
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ports:
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- "9090:9090"
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grafana:
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image: grafana/grafana:latest
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container_name: grafana
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ports:
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- "3000:3000"
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environment:
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- GF_SECURITY_ADMIN_PASSWORD=admin
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volumes:
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- ./grafana/:/etc/grafana/provisioning/
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depends_on:
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- prometheus
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# --- CADVISOR ---
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# Si falla con el mensaje "too many open files", hay que aumentar los descriptores de ficheros: `sudo sysctl -w fs.inotify.max_user_instances=8192`
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cadvisor:
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image: gcr.io/cadvisor/cadvisor:latest
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container_name: cadvisor
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privileged: true
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command: --docker_only --disable_metrics=percpu,process,sched,tcp,udp,disk,diskIO
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ports:
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- "8088:8080"
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volumes:
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- /:/rootfs:ro
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- /var/run:/var/run:rw
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- /sys:/sys:ro
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- /var/lib/docker/:/var/lib/docker:ro
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restart: always

‎parte_5/ejem1-jmeter/docker-compose-cache-spring.yml‎

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services:
2+
mysql-db:
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image: mysql:8.0
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container_name: mysql-db
5+
environment:
6+
MYSQL_ROOT_PASSWORD: root
7+
MYSQL_DATABASE: post
8+
volumes:
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- ./mysql:/var/lib/mysql
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- ./initdb:/docker-entrypoint-initdb.d:ro
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healthcheck:
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test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
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timeout: 5s
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retries: 5
15+
deploy:
16+
resources:
17+
limits:
18+
cpus: '1.0'
19+
memory: 512m
20+
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spring-app:
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build: ./bd_ejem11
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environment:
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- SPRING_DATASOURCE_URL=jdbc:mysql://mysql-db:3306/post
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- SPRING_DATASOURCE_PASSWORD=root
26+
- SPRING_DATASOURCE_USERNAME=root
27+
ports:
28+
- "8090:8080"
29+
depends_on:
30+
mysql-db:
31+
condition: service_healthy
32+
deploy:
33+
resources:
34+
limits:
35+
cpus: '1.0'
36+
memory: 512m
37+
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# --- MONITORING (PROMETHEUS & GRAFANA) ---
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prometheus:
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image: prom/prometheus:latest
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container_name: prometheus
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volumes:
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- ./prometheus.yml:/etc/prometheus/prometheus.yml
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ports:
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- "9090:9090"
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grafana:
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image: grafana/grafana:latest
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container_name: grafana
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ports:
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- "3000:3000"
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environment:
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- GF_SECURITY_ADMIN_PASSWORD=admin
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volumes:
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- ./grafana/:/etc/grafana/provisioning/
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depends_on:
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- prometheus
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# --- CADVISOR ---
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# Si falla con el mensaje "too many open files", hay que aumentar los descriptores de ficheros: `sudo sysctl -w fs.inotify.max_user_instances=8192`
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cadvisor:
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image: gcr.io/cadvisor/cadvisor:latest
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container_name: cadvisor
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privileged: true
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command: --docker_only --disable_metrics=percpu,process,sched,tcp,udp,disk,diskIO
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ports:
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- "8088:8080"
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volumes:
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- /:/rootfs:ro
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- /var/run:/var/run:rw
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- /sys:/sys:ro
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- /var/lib/docker/:/var/lib/docker:ro
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restart: always

‎parte_5/ejem1-jmeter/ejem-1/Dockerfile‎

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# Dockerfile for Spring Boot application
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# Build stage
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FROM maven:3-eclipse-temurin-21 AS build
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WORKDIR /app
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COPY pom.xml .
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COPY src ./src
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RUN mvn package -DskipTests
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# Run stage
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FROM eclipse-temurin:21-jre
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WORKDIR /app
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COPY --from=build /app/target/*.jar .
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EXPOSE 8080
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ENTRYPOINT ["java", "-jar", "bd_ejem11-0.0.1-SNAPSHOT.jar"]

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