This file will allow us to build, run, connect and stop our containers from a single interface.

version: '3' 
 
services: 
  a_m_librarian: 
    build: librarian/. 
    environment: 
      - API_PORT=${A_M_PORT} 
    ports: 
      - ${A_M_PORT}:${A_M_PORT} 
  n_z_librarian: 
      build: librarian/. 
      environment: 
        - API_PORT=${N_Z_PORT} 
      ports: 
        - ${N_Z_PORT}:${N_Z_PORT} 
  others_librarian: 
      build: librarian/. 
      environment: 
        - API_PORT=${OTHERS_PORT} 
      ports: 
        - ${OTHERS_PORT}:${OTHERS_PORT} 
  concierge: 
    build: concierge/. 
    environment: 
      - API_PORT=${CONCIERGE_PORT} 
      - LIB_A_M=http://a_m_librarian:${A_M_PORT}/api 
      - LIB_N_Z=http://n_z_librarian:${N_Z_PORT}/api 
      - LIB_OTHERS=http://others_librarian:${OTHERS_PORT}/api 
    ports: 
      - ${CONCIERGE_PORT}:${CONCIERGE_PORT} 
    links: 
      - a_m_librarian 
      - n_z_librarian 
      - others_librarian 
      - file_server 
  file_server: 
    build: simple-server/. 
    ports: 
      - ${SERVER_PORT}:${SERVER_PORT}