/opt/redash/env file content:

PYTHONUNBUFFERED=0
REDASH_LOG_LEVEL=INFO
REDASH_REDIS_URL=redis://redis:6379/0
POSTGRES_PASSWORD=Vl6eNsWn6NrvhvoRrjhTDlpLmvp53HLX
REDASH_COOKIE_SECRET=mPgcjjXT43glY8AcGlSpaaatH4ZDIGqQ
REDASH_SECRET_KEY=0gFijH4MWncCmL9hkV4EbpJvpUF4H18D
REDASH_DATABASE_URL=postgresql://postgres:Vl6eNsWn6NrvhvoRrjhTDlpLmvp53HLX@postgres/postgres

docker-compose.yml file content:

version: "2"
x-redash-service: &redash-service
  image: redash/redash:8.0.0.b32245
  depends_on:
    - postgres
    - redis
  env_file: /opt/redash/env
  restart: always
services:
  server:
    <<: *redash-service
    command: server
    ports:
      - "5000:5000"
    environment:
      REDASH_WEB_WORKERS: 4
  scheduler:
    <<: *redash-service
    command: scheduler
    environment:
      QUEUES: "celery"
      WORKERS_COUNT: 1
  scheduled_worker:
    <<: *redash-service
    command: worker
    environment:
      QUEUES: "scheduled_queries,schemas"
      WORKERS_COUNT: 1
  adhoc_worker:
    <<: *redash-service
    command: worker
    environment:
      QUEUES: "queries"
      WORKERS_COUNT: 2
  redis:
    image: redis:5.0-alpine
    restart: always
  postgres:
    image: postgres:9.6-alpine
    env_file: /opt/redash/env
    volumes:
      - /opt/redash/postgres-data:/var/lib/postgresql/data
    restart: always
  nginx:
    image: redash/nginx:latest
    ports:
      - "9586:80"
    depends_on:
      - server
    links:
      - server:redash
    restart: always

when i run docker-compose run --rm server create_db , it failure:

[root@devops02 redash]#  docker-compose run --rm server create_db
Creating network "redash_default" with the default driver
Creating redash_redis_1    ... done
Creating redash_postgres_1 ... done
Traceback (most recent call last):
  File "/app/manage.py", line 9, in <module>
    manager()
  File "/usr/local/lib/python2.7/site-packages/click/core.py", line 716, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/flask/cli.py", line 380, in main
    return AppGroup.main(self, *args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/click/core.py", line 696, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python2.7/site-packages/click/core.py", line 889, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python2.7/site-packages/click/core.py", line 534, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/flask/cli.py", line 257, in decorator
    return __ctx.invoke(f, *args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/click/core.py", line 534, in invoke
    return callback(*args, **kwargs)
  File "/app/redash/cli/database.py", line 31, in create_tables
    db.create_all()
  File "/usr/local/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py", line 963, in create_all
    self._execute_for_all_tables(app, bind, 'create_all')
  File "/usr/local/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py", line 955, in _execute_for_all_tables
    op(bind=self.get_engine(app, bind), **extra)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/sql/schema.py", line 4005, in create_all
    tables=tables)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1939, in _run_visitor
    with self._optional_conn_ctx_manager(connection) as conn:
  File "/usr/local/lib/python2.7/contextlib.py", line 17, in __enter__
    return self.gen.next()
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1932, in _optional_conn_ctx_manager
    with self.contextual_connect() as conn:
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 2123, in contextual_connect
    self._wrap_pool_connect(self.pool.connect, None),
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 2162, in _wrap_pool_connect
    e, dialect, self)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1476, in _handle_dbapi_exception_noconnection
    exc_info
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/util/compat.py", line 265, in raise_from_cause
    reraise(type(exception), exception, tb=exc_tb, cause=cause)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 2158, in _wrap_pool_connect
    return fn()
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/pool.py", line 400, in connect
    return _ConnectionFairy._checkout(self)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/pool.py", line 788, in _checkout
    fairy = _ConnectionRecord.checkout(pool)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/pool.py", line 529, in checkout
    rec = pool._do_get()
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/pool.py", line 1193, in _do_get
    self._dec_overflow()
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.py", line 66, in __exit__
    compat.reraise(exc_type, exc_value, exc_tb)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/pool.py", line 1190, in _do_get
    return self._create_connection()
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/pool.py", line 347, in _create_connection
    return _ConnectionRecord(self)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/pool.py", line 474, in __init__
    self.__connect(first_connect_check=True)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/pool.py", line 671, in __connect
    connection = pool._invoke_creator(self)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/engine/strategies.py", line 106, in connect
    return dialect.connect(*cargs, **cparams)
  File "/usr/local/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 412, in connect
    return self.dbapi.connect(*cargs, **cparams)
  File "/usr/local/lib/python2.7/site-packages/psycopg2/__init__.py", line 130, in connect
    conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
sqlalchemy.exc.OperationalError: (psycopg2.OperationalError) FATAL:  password authentication failed for user "postgres"
 (Background on this error at: http://sqlalche.me/e/e3q8)

what is the promble? ??

First up, you probably shouldn’t post your database password and secret key on a public web forum :face_with_hand_over_mouth:

Second: Redash doesn’t use an environment variable called POSTGRES_PASSWORD. Your REDASH_DATABASE_URL should be postgresql://postgres@postgres/postgres. Which looks silly but makes sense when broken down: