diff --git a/.travis.yml b/.travis.yml
index c166afc..0293824 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,6 @@
+sudo: required
+services:
+  - docker
 language: python
 python:
   - 2.7
@@ -10,11 +13,21 @@ install:
 script:
   # Unit testing.
   - coverage run --source=csv2sql setup.py test
+
   # Integrated testing.
-  - coverage run -a --source=csv2sql -m csv2sql all -r tbl < data/test-input.csv
-  - coverage run -a --source=csv2sql -m csv2sql schema -r tbl < data/test-input.csv
-  - coverage run -a --source=csv2sql -m csv2sql data tbl < data/test-input.csv
-  - coverage run -a --source=csv2sql -m csv2sql pattern
+  - coverage run
+      -a --source=csv2sql -m csv2sql all tbl --lines-for-inference 10
+      < data/test-input.csv
+    | docker-compose run psql_client
+  - coverage run
+      -a --source=csv2sql -m csv2sql pattern > pattern.yml
+  - coverage run
+      -a --source=csv2sql -m csv2sql schema -r -p pattern.yml tbl
+      < data/test-input.csv
+    | docker-compose run psql_client
+  - coverage run
+      -a --source=csv2sql -m csv2sql data tbl < data/test-input.csv
+    | docker-compose run psql_client
 after_success:
   - coveralls
 notifications:
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..a11b98b
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,18 @@
+version: '2'
+
+services:
+  psql_server:
+    image: "postgres:9.5"
+    environment:
+      POSTGRES_USER: docker
+      POSTGRES_PASSWORD: docker
+
+  psql_client:
+    build:
+      context: ./dockerfiles/psql_client
+    depends_on:
+      - psql_server
+    environment:
+      PGHOST: psql_server
+      PGUSER: docker
+      PGPASSWORD: docker
diff --git a/dockerfiles/psql_client/Dockerfile b/dockerfiles/psql_client/Dockerfile
new file mode 100644
index 0000000..f0e92a5
--- /dev/null
+++ b/dockerfiles/psql_client/Dockerfile
@@ -0,0 +1,8 @@
+FROM postgres:9.5
+
+RUN apt-get update && apt-get install -y curl
+RUN curl -o /usr/local/bin/wait-for-it.sh \
+    https://raw.githubusercontent.com/vishnubob/wait-for-it/master/wait-for-it.sh
+RUN chmod 755 /usr/local/bin/wait-for-it.sh
+
+ENTRYPOINT ["wait-for-it.sh", "psql_server:5432", "--", "psql", "--set", "ON_ERROR_STOP=on"]