Add PostgreSQL (#14)

roles/postgres/tasks/main.yml

@@ -0,0 +1,36 @@
+- name: install psycopg2
+  pip:
+    name: psycopg2-binary
+    state: present
+- name: ensure directories exist
+  file:
+    path: "{{ item }}"
+    state: directory
+    mode: "0755"
+  loop:
+    - "{{ data_folder }}/postgres/data"
+    - "{{ data_folder }}/postgres/init"
+- name: copy init sql files
+  template:
+    src: "{{ item }}"
+    dest: "{{ data_folder }}/postgres/init/{{ item | basename | regex_replace('.j2$', '') }}"
+  with_fileglob:
+    - "../templates/*.sql.j2"
+- name: create network
+  docker_network:
+    name: postgres
+    attachable: true
+    internal: true
+    state: present
+- name: run container
+  docker_container:
+    name: "postgres"
+    image: "postgres:13"
+    networks:
+      - name: postgres
+    volumes:
+      - "{{ data_folder }}/postgres/data:/var/lib/postgresql/data"
+      - "{{ data_folder }}/postgres/init:/docker-entrypoint-initdb.d"
+    env:
+      POSTGRES_PASSWORD: "{{ vault_postgres_password }}"
+    state: started