restructure for docker

docker-compose.yml

@@ -0,0 +1,18 @@
+version: "3.7"
+
+services:
+  forum:
+    build:
+      context: ./forum/
+      dockerfile: ./Dockerfile
+      args:
+        UID: ${UID}
+        GID: ${GID}
+        TZ: ${TZ}
+    volumes:
+      - "./forum/:/app"
+    ports:
+      - "${EXPOSE}:5000"
+    environment:
+      ADMINU: ${ADMINU}
+      ADMINP: ${ADMINP}