diff --git a/Makefile b/Makefile
index 08d151d..93e5a3c 100644
--- a/Makefile
+++ b/Makefile
@@ -51,4 +51,19 @@ dev-app da:
 .PHONY: dev-celery dc
 dev-celery dc:
 	@echo "Starting Celery worker..."
-	cd pro_wes && celery -A celery_worker worker -E --loglevel=info
\ No newline at end of file
+	cd pro_wes && celery -A celery_worker worker -E --loglevel=info
+
+.PHONY: lint fl
+lint fl:
+
+	@echo "1.Formatting with black..."
+	black --exclude .venv pro_wes/ setup.py tests/
+	@echo "\n\n2.Checking style with flake8..."
+	black --exclude .venv pro_wes/ setup.py tests/
+	@echo "\n\n3.Running pylint..."
+	pylint pro_wes/ setup.py
+
+.PHONY: type-check tc
+type-check tc:
+	@echo "Running mypy..."
+	mypy pro_wes/ setup.py
\ No newline at end of file
diff --git a/docker-compose.dev.yaml b/docker-compose.dev.yaml
index 58e8a57..85111a9 100644
--- a/docker-compose.dev.yaml
+++ b/docker-compose.dev.yaml
@@ -11,7 +11,7 @@ services:
     image: mongo:3.2
     restart: unless-stopped
     volumes:
-      - ${PROWES_DATA_DIR:-../data/pro_wes}/db:${PWD}/data/db
+      - ${PROWES_DATA_DIR:-../data/pro_wes}/db:/data/db
     ports:
       - "27017:27017"
 
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 5003b87..50c7dc0 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -33,7 +33,7 @@ services:
     links:
       - mongodb
     ports:
-      - "5682:5672"
+      - "5672:5672"
 
   mongodb:
     image: mongo:3.2
@@ -41,7 +41,7 @@ services:
     volumes:
       - ${PROWES_DATA_DIR:-../data/pro_wes}/db:/data/db
     ports:
-      - "27027:27017"
+      - "27017:27017"
 
   flower:
     image: mher/flower:0.9.7
@@ -50,4 +50,4 @@ services:
       - prowes-worker
     command: flower --broker=amqp://guest:guest@rabbitmq:5672// --port=5555
     ports:
-      - "5565:5555"
+      - "5555:5555"
diff --git a/pro_wes/app.py b/pro_wes/app.py
index a6373c1..66aa05a 100644
--- a/pro_wes/app.py
+++ b/pro_wes/app.py
@@ -1,6 +1,5 @@
 """proWES application entry point."""
 
-import os
 from pathlib import Path
 
 from connexion import App
@@ -17,13 +16,8 @@ def init_app() -> App:
     Returns:
         FOCA application.
     """
-    _parent_dir = Path(__file__).resolve().parent
-    if os.environ.get("ENVIRONMENT") == "DEV":
-        config_file = _parent_dir / "config.dev.yaml"
-    else:
-        config_file = _parent_dir / "config.yaml"
     foca = Foca(
-        config_file=config_file,
+        config_file=Path(__file__).resolve().parent / "config.yaml",
         custom_config_model="pro_wes.config_models.CustomConfig",
     )
     app = foca.create_app()
@@ -53,6 +47,5 @@ def run_app(app: App) -> None:
 
 
 if __name__ == "__main__":
-    os.environ.setdefault("ENVIRONMENT", "DEV")
     foca_app = init_app()
     run_app(app=foca_app)
diff --git a/pro_wes/config.dev.yaml b/pro_wes/config.dev.yaml
deleted file mode 100644
index ff2e59a..0000000
--- a/pro_wes/config.dev.yaml
+++ /dev/null
@@ -1,154 +0,0 @@
-# FOCA configuration
-# Available in app context as attributes of `current_app.config.foca`
-# Automatically validated via FOCA
-# Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html
-
-# Server configuration
-# Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.ServerConfig
-server:
-  host: "0.0.0.0"
-  port: 8080
-  debug: True
-  environment: development
-  testing: False
-  use_reloader: False
-
-# Security configuration
-# Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.SecurityConfig
-security:
-  auth:
-    add_key_to_claims: True
-    algorithms:
-      - RS256
-    allow_expired: False
-    audience: null
-    validation_methods:
-      - userinfo
-      - public_key
-    validation_checks: any
-
-# Database configuration
-# Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.DBConfig
-db:
-  host: localhost
-  port: 27017
-  dbs:
-    runStore:
-      collections:
-        runs:
-          indexes:
-            - keys:
-                run_id: 1
-                task_id: 1
-              options:
-                "unique": True
-                "sparse": True
-        service_info:
-          indexes:
-            - keys:
-                id: 1
-
-# API configuration
-# Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.APIConfig
-api:
-  specs:
-    - path:
-        - pro_wes/api/20201124.tag_1_0_1.workflow_execution_service.openapi.yaml
-        - pro_wes/api/additions.openapi.yaml
-      add_operation_fields:
-        x-openapi-router-controller: pro_wes.ga4gh.wes.controllers
-      add_security_fields:
-        x-bearerInfoFunc: app.validate_token
-      disable_auth: True
-      connexion:
-        strict_validation: True
-        # workaround until cwl-WES responses are fixed
-        validate_responses: False
-        base_path: /ga4gh/wes/v1
-        options:
-          swagger_ui: True
-          serve_spec: True
-
-# Logging configuration
-# Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.LogConfig
-log:
-  version: 1
-  disable_existing_loggers: False
-  formatters:
-    standard:
-      class: logging.Formatter
-      style: "{"
-      format: "[{asctime}: {levelname:<8}] {message} [{name}]"
-  handlers:
-    console:
-      class: logging.StreamHandler
-      level: 20
-      formatter: standard
-      stream: ext://sys.stderr
-  root:
-    level: 10
-    handlers: [console]
-
-# Background job configuration
-# Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.JobsConfig
-jobs:
-  host: rabbitmq
-  port: 5672
-  backend: "rpc://"
-  include:
-    - pro_wes.tasks.track_run_progress
-
-# Exception configuration
-# Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.ExceptionConfig
-exceptions:
-  required_members: [["message"], ["code"]]
-  status_member: ["code"]
-  exceptions: pro_wes.exceptions.exceptions
-
-# Custom configuration
-# Available in app context as attributes of `current_app.config.foca`
-custom:
-  defaults:
-    timeout: 2
-  post_runs:
-    db_insert_attempts: 10
-    id_charset: string.ascii_uppercase + string.digits
-    id_length: 6
-    polling_attempts: 100
-    polling_wait: 3
-    storage_path: "./data"
-    timeout_job: null
-    timeout_post: null
-  list_runs:
-    default_page_size: 5
-  service_info:
-    auth_instructions_url: "https://example.org/auth_instructions"
-    default_workflow_engine_parameters: []
-    id: v1.wes.ga4gh.org.example
-    name: "proWES example deployment"
-    supported_filesystem_protocols:
-      - https
-    supported_wes_versions:
-      - 1.0.1
-    tags:
-      key: "value"
-    type:
-      group: "org.ga4gh"
-      artifact: "wes"
-      version: "1.0.1"
-    workflow_engine_versions:
-      cwl-engine: "1.2.3"
-    workflow_type_versions:
-      CWL:
-        workflow_type_version:
-          - v1.0
-    description: "WES gateway service"
-    organization:
-      name: "Example organization"
-      url: "https://example.org"
-    contactUrl: "support@example.org"
-    documentationUrl: "https://example.org/docs"
-    createdAt: "2020-01-01T00:00:00Z"
-    updatedAt: "2022-12-31T00:00:00Z"
-    environment: "test"
-    version: "0.18.0"
diff --git a/pro_wes/config.yaml b/pro_wes/config.yaml
index febfd4c..a0ff875 100644
--- a/pro_wes/config.yaml
+++ b/pro_wes/config.yaml
@@ -30,7 +30,7 @@ security:
 # Database configuration
 # Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.DBConfig
 db:
-  host: mongodb
+  host: localhost
   port: 27017
   dbs:
     runStore:
@@ -92,7 +92,7 @@ log:
 # Background job configuration
 # Cf. https://foca.readthedocs.io/en/latest/modules/foca.models.html#foca.models.config.JobsConfig
 jobs:
-  host: rabbitmq
+  host: localhost
   port: 5672
   backend: "rpc://"
   include:
@@ -116,7 +116,7 @@ custom:
     id_length: 6
     polling_attempts: 100
     polling_wait: 3
-    storage_path: "/data"
+    storage_path: "./data"
     timeout_job: null
     timeout_post: null
   list_runs:
diff --git a/pro_wes/ga4gh/wes/workflow_runs.py b/pro_wes/ga4gh/wes/workflow_runs.py
index d3fd27e..74b97a8 100644
--- a/pro_wes/ga4gh/wes/workflow_runs.py
+++ b/pro_wes/ga4gh/wes/workflow_runs.py
@@ -482,7 +482,9 @@ def _validate_run_request(
         """
         dict_of_lists = form_data.to_dict(flat=False)
         # flatten single item lists
-        dict_atomic = {k: v[0] if len(v) == 1 else v for k, v in dict_of_lists.items()}
+        dict_atomic: dict = {
+            k: v[0] if len(v) == 1 else v for k, v in dict_of_lists.items()
+        }
         # remove 'workflow_attachment' field
         dict_atomic.pop("workflow_attachment", None)
         model_instance = RunRequest(**dict_atomic)
diff --git a/requirements.txt b/requirements.txt
index 84a9ba1..14f3624 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 connexion<3
 email-validator>=2.1.0,<3
-foca>=0.12.1
+foca==0.12.1
 gunicorn>=20.1.0,<21
-pymongo==4.7  # Cf. https://github.com/elixir-cloud-aai/foca/issues/246