FFmpeg container is unable to communicate to my application container in Quarkus [duplicate]

Question

I'm working on a application where i am running different container such as clamav,postgres,my quarkus application.all the configuration is defined in docker compose file.now i want to perform some operation on file that's why want to use ffmpeg. i am using ffmpeg as separate container and connected via docker network.i want to execute some ffmpeg command for example check version and other advance.I'm getting error. Please help me to solve this.

My docker-compose.yml --

version: "3.8"
services:
  clamav:
    image: clamav/clamav:latest
    container_name: clamav
    ports:
      - "3310:3310"
    restart: always
    healthcheck:
      test: ["CMD", "clamdscan", "--version"]
      interval: 30s
      timeout: 10s
      retries: 5
    networks:
      - techtonic-antivirus-net

  postgres-database:
    image: postgres:15
    container_name: postgres
    environment:
      POSTGRES_DB: antivirustt
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    ports:
      - "5434:5432"`enter code here`
    restart: always
    volumes:
      - pgdata:/var/lib/postgresql/data
    networks:
      - techtonic-antivirus-net

  # Add Redis container
  redis:
    image: redis:latestenter code here
    container_name: redis
    ports:
      - "6379:6379"
    restart: always
    networks:
      - techtonic-antivirus-net

  ffmpeg:
    image: jrottenberg/ffmpeg:latest
    container_name: ffmpeg
    restart: always
    entrypoint: ["tail", "-f", "/dev/null"]  # Keeps the container running
    networks:
      - techtonic-antivirus-net
    healthcheck:
      test: ["CMD", "ffmpeg", "-version"]
      interval: 10s
      timeout: 5s
      retries: 3

  techtonic-antivirus:
    build:
      context: .
      dockerfile: src/main/docker/Dockerfile.native-micro
    container_name: techtonic-antivirus
    depends_on:
      clamav:
        condition: service_healthy
      postgres-database:
        condition: service_started
      redis:
        condition: service_started
    ports:
      - "8080:8080"
    environment:
      - CLAMAV_HOST=${CLAMAV_HOST}
      - CLAMAV_PORT=${CLAMAV_PORT}
      - QUARKUS_PROFILE=${QUARKUS_PROFILE:-dev}
      - QUARKUS_DATASOURCE_JDBC_URL=jdbc:postgresql://postgres-database:5432/antivirustt
      - QUARKUS_DATASOURCE_USERNAME=postgres
      - QUARKUS_DATASOURCE_PASSWORD=postgres
      - QUARKUS_REDIS_HOSTS=redis://redis:6379
    restart: always
    volumes:
      - ffmpeg:/ffmpeg
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - techtonic-antivirus-net

volumes:
  pgdata:
  ffmpeg:

networks:
  techtonic-antivirus-net:

My Service code :

@Slf4j
@ApplicationScoped
public class CheckFFmpegStatus {

    public static boolean isFFmpegReady() {
        try {
            // ProcessBuilder pb = new ProcessBuilder("docker", "exec", "ffmpeg", "ffmpeg", "-version");
            ProcessBuilder pb = new ProcessBuilder("ffmpeg", "-version");
            Process process = pb.start();
            int exitCode = process.waitFor();
            if (exitCode == 0) {
                log.info("✅ FFmpeg is ready and reachable inside the container.");
            } else {
                log.warn("⚠️ FFmpeg process exited with code: " + exitCode);
            }

            return exitCode == 0;
        } catch (IOException | InterruptedException e) {
            log.error("❌ Failed to check FFmpeg status", e);
            return false;
        }
    }
}