added compose file and its environment informations

.env

@@ -0,0 +1 @@
+COMPOSE_PROJECT_NAME="cyberhackademy"

docker-compose.yml

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+version: "3"
+services:
+    app:
+        image: app:slim
+        build: app
+        expose:
+            - "5000"
+        ports:
+            - "5000:5000"
+        networks:
+          webnet:
+            aliases:
+                - app
+
+    webserver:
+        image: webserver:slim
+        build: webserver
+        expose:
+            - "80"
+            - "443"
+        ports:
+            - "80:80"
+            - "443:443"
+        networks:
+          webnet:
+            aliases:
+                - www
+        depends_on:
+            - app
+
+networks:
+  webnet: