Added podgrab docker config

podgrab/.env.example

@@ -0,0 +1,5 @@
+# How often to check for new episodes in seconds
+CHECK_FREQUENCY=240
+
+# Password the basic auth
+PASSWORD=changeme

podgrab/docker-compose.yml

@@ -0,0 +1,29 @@
+version: '2.4'
+
+services:
+    app:
+        image: 'akhilrex/podgrab:1.0.0'
+        restart: 'always'
+
+        healthcheck:
+            test: 'curl -f localhost:8080 || exit 1'
+            interval: '1m'
+            timeout: '10s'
+            retries: 3
+            start_period: '10s'
+
+        env_file:
+            - '.env'
+        networks:
+            - 'nginx'
+        volumes:
+            - 'config:/config'
+            - 'assets:/assets'
+
+networks:
+    nginx:
+        external: true
+
+volumes:
+    config:
+    assets: