diff --git a/.dockerignore b/.dockerignore
index f758f84..eff55c6 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -2,6 +2,7 @@
 *
 
 # except a few
+!alembic
 !src
 !tests
 !setup.py
diff --git a/Jenkinsfile b/Jenkinsfile
index db315e5..5e5c1de 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -25,7 +25,7 @@ node {
     stage("Test") {
         tryStep "test", {
             sh "docker-compose -p dcatd -f ./docker-compose.yml build --no-cache --pull test && " +
-               "docker-compose -p dcatd -f ./docker-compose.yml run --rm test bash -c 'make test'"
+               "docker-compose -p dcatd -f ./docker-compose.yml run --rm test make test"
         }, {
             sh "docker-compose -p dcatd -f ./docker-compose.yml down"
         }
diff --git a/Makefile b/Makefile
index f9963aa..625adef 100644
--- a/Makefile
+++ b/Makefile
@@ -20,11 +20,11 @@ PYTEST = $(PYTHON) setup.py test
 PYTEST_COV_OPTS ?= --cov=src --cov-report=term --no-cov-on-fail
 
 
-test: schema
+test: cleanpy schema
 	$(PYTEST)
 
 
-cov: schema
+cov: cleanpy schema
 	$(PYTEST) $(PYTEST_COV_OPTS)
 
 
@@ -32,7 +32,7 @@ testdep:
 	pip3 install --quiet --upgrade --upgrade-strategy eager -e .[test] && echo 'OK' || echo 'FAILED'
 
 
-testclean:
+testclean: cleanpy
 	@$(RM) .cache .coverage
 
 
@@ -40,17 +40,17 @@ testclean:
 # ┃ Installing, building, running ┃
 # ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
 
-install:
+install: cleanpy
 	@echo -n 'Installing... '
 	@pip3 install --quiet --upgrade --upgrade-strategy eager -e . && echo 'OK' || echo 'FAILED'
 
-dist:
+dist: cleanpy
 	$(PYTHON) setup.py sdist
 
-upload:
+upload: cleanpy
 	$(PYTHON) setup.py sdist upload
 
-example:
+example: cleanpy
 	@echo Starting example server:
 	@docker-compose up api
 
@@ -59,6 +59,10 @@ example:
 # ┃ Cleaning up ┃
 # ┗━━━━━━━━━━━━━┛
 
+cleanpy:
+	@echo Removing pyc and pyo files
+	@find . -type f -name '*.py[co]' -exec rm {} \;
+
 clean:
 	@# From running pytest:
 	$(RM) .coverage .cache
diff --git a/alembic/datacatalog/env.py b/alembic/datacatalog/env.py
index 058378b..c92fa1d 100644
--- a/alembic/datacatalog/env.py
+++ b/alembic/datacatalog/env.py
@@ -1,6 +1,7 @@
 from __future__ import with_statement
+import os
 from alembic import context
-from sqlalchemy import engine_from_config, pool
+from sqlalchemy import engine_from_config, pool, create_engine
 from logging.config import fileConfig
 
 # this is the Alembic Config object, which provides
@@ -23,6 +24,15 @@
 # ... etc.
 
 
+def get_url():
+    """This allows users to override alembic stuff with env vars."""
+    envvars = 'DB_USER', 'DB_PASSWORD', 'DB_HOST', 'DB_PORT', 'DB_DATABASE'
+    confvals = [os.getenv(key, False) for key in envvars]
+    if all(confvals):
+        return "postgresql+psycopg2://{}:{}@{}:{}/{}".format(*confvals)
+    return config.get_main_option("sqlalchemy.url")
+
+
 def run_migrations_offline():
     """Run migrations in 'offline' mode.
 
@@ -35,7 +45,7 @@ def run_migrations_offline():
     script output.
 
     """
-    url = config.get_main_option("sqlalchemy.url")
+    url = get_url()
     context.configure(
         url=url, target_metadata=target_metadata, literal_binds=True)
 
@@ -50,10 +60,7 @@ def run_migrations_online():
     and associate a connection with the context.
 
     """
-    connectable = engine_from_config(
-        config.get_section(config.config_ini_section),
-        prefix='sqlalchemy.',
-        poolclass=pool.NullPool)
+    connectable = create_engine(get_url())
 
     with connectable.connect() as connection:
         context.configure(
diff --git a/docker-compose.yml b/docker-compose.yml
index d73b5ba..55d3c03 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,7 +10,7 @@ services:
       POSTGRES_USER: datacatalog
       POSTGRES_PASSWORD: datacatalog
 
-  api:
+  example:
     build:
       context: .
     depends_on:
diff --git a/tests/datacatalog/plugins/test_postgres_config.yml b/tests/datacatalog/plugins/test_postgres_config.yml
index 7280642..ef72615 100644
--- a/tests/datacatalog/plugins/test_postgres_config.yml
+++ b/tests/datacatalog/plugins/test_postgres_config.yml
@@ -13,6 +13,8 @@ storage_postgres:
 
 plugins: []
 
+primarySchema: ""
+
 logging:
   formatters:
     default: