diff --git a/meta/main.yml b/meta/main.yml
index fd811a9..b24967d 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -1,3 +1,4 @@
+# Standards: 0.1
 ---
 galaxy_info:
   author: xoxys
@@ -5,9 +6,9 @@ galaxy_info:
   license: MIT
   min_ansible_version: 2.4
   platforms:
-  - name: EL
-    versions:
-    - 7
+    - name: EL
+      versions:
+        - 7
   galaxy_tags:
     - db
     - postgres
diff --git a/tasks/install.yml b/tasks/install.yml
index 6ab8432..19aaa17 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -1,39 +1,39 @@
 ---
 - block:
-  - name: Install PostgreSQL
-    package:
-      name: "{{ item }}"
-      state: present
-    with_items: "{{ __postgres_packages }}"
+    - name: Install PostgreSQL
+      package:
+        name: "{{ item }}"
+        state: present
+      with_items: "{{ __postgres_packages }}"
 
-  - name: Ensure data directory exists
-    file:
-      path: "{{ __postgres_data_dir }}"
-      owner: "{{ postgres_user }}"
-      group: "{{ postgres_group }}"
-      state: directory
-      mode: 0700
+    - name: Ensure data directory exists
+      file:
+        path: "{{ __postgres_data_dir }}"
+        owner: "{{ postgres_user }}"
+        group: "{{ postgres_group }}"
+        state: directory
+        mode: 0700
 
-  - name: Setup custom systemd service
-    template:
-      src: etc/systemd/system/postgresql.service.j2
-      dest: "/etc/systemd/system/{{ __postgres_daemon }}.service"
-      mode: 0644
-    notify: __postgres_restart
-    register: __postgres_systemd
+    - name: Setup custom systemd service
+      template:
+        src: etc/systemd/system/postgresql.service.j2
+        dest: "/etc/systemd/system/{{ __postgres_daemon }}.service"
+        mode: 0644
+      notify: __postgres_restart
+      register: __postgres_systemd
 
-  - name: Force systemd to re-read configs
-    systemd:
-      daemon_reload: True
-    when: __postgres_systemd.changed
+    - name: Force systemd to re-read configs
+      systemd:
+        daemon_reload: True
+      when: __postgres_systemd.changed
 
-  - name: Check if database is initialized
-    stat:
-      path: "{{ __postgres_data_dir }}/PG_VERSION"
-    register: __pgdata_dir_version
+    - name: Check if database is initialized
+      stat:
+        path: "{{ __postgres_data_dir }}/PG_VERSION"
+      register: __pgdata_dir_version
 
-  - name: Ensure database is initialized
-    command: "/usr/pgsql-{{ __postgres_version }}/bin/postgresql-{{ __postgres_version }}-setup initdb"
-    when: not __pgdata_dir_version.stat.exists
+    - name: Ensure database is initialized
+      command: "/usr/pgsql-{{ __postgres_version }}/bin/postgresql-{{ __postgres_version }}-setup initdb"
+      when: not __pgdata_dir_version.stat.exists
   become: True
   become_user: root
diff --git a/tasks/prepare.yml b/tasks/prepare.yml
index ec42353..742dace 100644
--- a/tasks/prepare.yml
+++ b/tasks/prepare.yml
@@ -3,22 +3,22 @@
   include_vars: "main.yml"
 
 - block:
-  - name: Add PostgreSQL repository
-    yum_repository:
-      name: postgresql
-      file: "{{ postgres_repository_filename }}"
-      description: PostgreSQL yum repository
-      baseurl: "https://download.postgresql.org/pub/repos/yum/{{ __postgres_version }}/redhat/rhel-{{ ansible_distribution_major_version }}-{{ ansible_architecture }}"
-      gpgcheck: yes
-      enabled: yes
-      gpgkey: "https://download.postgresql.org/pub/repos/yum/RPM-GPG-KEY-PGDG-{{ __postgres_version }}"
+    - name: Add PostgreSQL repository
+      yum_repository:
+        name: postgresql
+        file: "{{ postgres_repository_filename }}"
+        description: PostgreSQL yum repository
+        baseurl: "https://download.postgresql.org/pub/repos/yum/{{ __postgres_version }}/redhat/rhel-{{ ansible_distribution_major_version }}-{{ ansible_architecture }}"
+        gpgcheck: yes
+        enabled: yes
+        gpgkey: "https://download.postgresql.org/pub/repos/yum/RPM-GPG-KEY-PGDG-{{ __postgres_version }}"
 
-  - name: Install dependencies
-    package:
-      name: "{{ item }}"
-      state: present
-    with_items:
-      - python-psycopg2
+    - name: Install dependencies
+      package:
+        name: "{{ item }}"
+        state: present
+      with_items:
+        - python-psycopg2
   become: True
   become_user: root
   when: postgres_repository_enabled
diff --git a/tasks/tls.yml b/tasks/tls.yml
index a3d0a9f..227ea99 100644
--- a/tasks/tls.yml
+++ b/tasks/tls.yml
@@ -1,41 +1,41 @@
 ---
 - block:
-  - name: Create tls folder structure
-    file:
-      path: "{{ item }}"
-      state: directory
-      owner: "{{ postgres_user }}"
-      group: "{{ postgres_group }}"
-      recurse: True
-    with_items:
-      - "{{ __postgres_tls_key_path | dirname }}"
-      - "{{ __postgres_tls_cert_path | dirname }}"
+    - name: Create tls folder structure
+      file:
+        path: "{{ item }}"
+        state: directory
+        owner: "{{ postgres_user }}"
+        group: "{{ postgres_group }}"
+        recurse: True
+      with_items:
+        - "{{ __postgres_tls_key_path | dirname }}"
+        - "{{ __postgres_tls_cert_path | dirname }}"
   become: True
   become_user: root
 
 - block:
-  - name: Copy certs and private key (file)
-    copy:
-      src: "{{ item.src }}"
-      dest: "{{ item.dest }}"
-      mode: "{{ item.mode }}"
-    with_items:
-      - { src: "{{ postgres_tls_key_source }}", dest: '{{ __postgres_tls_key_path }}', mode: '0600' }
-      - { src: "{{ postgres_tls_cert_source }}", dest: '{{ __postgres_tls_cert_path }}', mode: '0750' }
-    loop_control:
-      label: "{{ item.dest }}"
-    when: postgres_tls_source_use_files
+    - name: Copy certs and private key (file)
+      copy:
+        src: "{{ item.src }}"
+        dest: "{{ item.dest }}"
+        mode: "{{ item.mode }}"
+      with_items:
+        - { src: "{{ postgres_tls_key_source }}", dest: '{{ __postgres_tls_key_path }}', mode: '0600' }
+        - { src: "{{ postgres_tls_cert_source }}", dest: '{{ __postgres_tls_cert_path }}', mode: '0750' }
+      loop_control:
+        label: "{{ item.dest }}"
+      when: postgres_tls_source_use_files
 
-  - name: Copy certs and private key (content)
-    copy:
-      content: "{{ item.src }}"
-      dest: "{{ item.dest }}"
-      mode: "{{ item.mode }}"
-    with_items:
-      - { src: "{{ postgres_tls_key_source }}", dest: '{{ __postgres_tls_key_path }}', mode: '0600' }
-      - { src: "{{ postgres_tls_cert_source }}", dest: '{{ __postgres_tls_cert_path }}', mode: '0750' }
-    loop_control:
-      label: "{{ item.dest }}"
-    when: postgres_tls_source_use_content
+    - name: Copy certs and private key (content)
+      copy:
+        content: "{{ item.src }}"
+        dest: "{{ item.dest }}"
+        mode: "{{ item.mode }}"
+      with_items:
+        - { src: "{{ postgres_tls_key_source }}", dest: '{{ __postgres_tls_key_path }}', mode: '0600' }
+        - { src: "{{ postgres_tls_cert_source }}", dest: '{{ __postgres_tls_cert_path }}', mode: '0750' }
+      loop_control:
+        label: "{{ item.dest }}"
+      when: postgres_tls_source_use_content
   become: True
   become_user: "{{ postgres_user }}"