diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a427e3c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+*.swp
+*.swo
+*.idea
+.molecule
diff --git a/README.md b/README.md
index 10964a8..c6487f3 100644
--- a/README.md
+++ b/README.md
@@ -28,8 +28,3 @@ execution to remove previous Diffie-Hellman parameters
 
 Have a look at the [defaults/main.yml](defaults/main.yml) for role variables
 that can be overridden.
-
-TODO
-----
-
-- CentOS 7 support
diff --git a/meta/main.yml b/meta/main.yml
index 362ca77..5e5c555 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -6,9 +6,9 @@ galaxy_info:
   license: MIT
   min_ansible_version: 2.0
   platforms:
-#   - name: EL
-#     versions:
-#       - 7
+   - name: EL
+     versions:
+       - 7
    - name: Ubuntu
      versions:
        - trusty
diff --git a/molecule.yml b/molecule.yml
index 483f062..5ccb7dd 100644
--- a/molecule.yml
+++ b/molecule.yml
@@ -7,13 +7,13 @@ verifier:
   name: testinfra
 docker:
   containers:
-    - name: nginx-ubuntu
+    - name: nginx-trusty
+      image: ubuntu
+      image_version: trusty
+    - name: nginx-xenial
       image: ubuntu
       image_version: xenial
-      ansible_groups:
-        - group1
-#    - name: nginx-centos
-#      image: centos
-#      image_version: 7
-#      ansible_groups:
-#        - group2
+    - name: nginx-centos
+      image: centos/systemd
+      image_version: latest
+      privileged: true
diff --git a/tests/inventory b/tests/inventory
index 5d50087..2fbb50c 100644
--- a/tests/inventory
+++ b/tests/inventory
@@ -1,4 +1 @@
 localhost
-[group1]
-docker
-