Implemented pre configuration for pgadmin

roles/docker-pgadmin/templates/docker-compose.yml.j2

@@ -3,7 +3,7 @@ services:
 {% include 'roles/docker-oauth2-proxy/templates/container.yml.j2' %}
 
   application:
-    image: dpage/pgadmin4:{{applications.pgadmin.version}}
+    image: dpage/pgadmin4:{{applications[application_id].version}}
     container_name: pgadmin
 {% include 'roles/docker-compose/templates/services/base.yml.j2' %}
     ports:
@@ -15,5 +15,14 @@ services:
       interval: 30s
       timeout: 10s
       retries: 3
+    volumes:
+      - "data:/var/lib/pgadmin"
+{% if applications[application_id].server_mode | bool %}
+      - "{{ pgadmin_host_server_file }}:{{ pgadmin_docker_server_file }}"
+      - "{{ pgadmin_host_password_file }}:{{ pgadmin_docker_password_file }}"
+{% endif %}
+
+{% include 'templates/docker/compose/volumes.yml.j2' %}
+  data:
 
 {% include 'templates/docker/compose/networks.yml.j2' %}

roles/docker-pgadmin/templates/env.j2

@@ -1,5 +1,21 @@
 # Configuration @see https://www.pgadmin.org/docs/pgadmin4/latest/container_deployment.html
 
+# Disable postfix integration (not needed in containerized environments)
+PGADMIN_DISABLE_POSTFIX=True
+
+# Default login email for server mode
 PGADMIN_DEFAULT_EMAIL={{ applications[application_id].users.administrator.email }}
+
+# Default login password for server mode
 PGADMIN_DEFAULT_PASSWORD={{ applications[application_id].users.administrator.password }}
-PGADMIN_DISABLE_POSTFIX=True
+
+{% if applications[application_id].server_mode | bool %}
+# Load server connection settings from this JSON file
+PGADMIN_SERVER_JSON_FILE={{ pgadmin_docker_server_file }}
+
+# Enable desktop (single-user) mode
+PGADMIN_CONFIG_SERVER_MODE=False
+
+# Disable master password prompt for stored credentials
+PGADMIN_CONFIG_MASTER_PASSWORD_REQUIRED={{ applications[application_id].master_password_required | capitalize }}
+{% endif %}

roles/docker-pgadmin/templates/pgpass.j2

@@ -0,0 +1,3 @@
+{% for server in pgadmin_servers %}
+{{ server.host }}:{{ server.port }}:*:{{ server.username }}:{{ server.password }}
+{% endfor %}

roles/docker-pgadmin/templates/servers.json.j2

@@ -0,0 +1,16 @@
+{
+  "Servers": {
+    {% for server in pgadmin_servers %}
+    "{{ loop.index }}": {
+      "Name": "{{ server.name }}",
+      "Group": "Servers",
+      "Host": "{{ server.host }}",
+      "Port": {{ server.port }},
+      "MaintenanceDB": "{{ server.maintenance_db }}",
+      "Username": "{{ server.username }}",
+      "SSLMode": "prefer",
+      "PassFile": "/pgpass"
+    }{% if not loop.last %},{% endif %}
+    {% endfor %}
+  }
+}