Поправил Dockerfile

Dockerfile

@@ -2,6 +2,10 @@ FROM golang:1.22-alpine
 
 WORKDIR /app
 
+COPY ./main.html /app/main.html
+
+COPY ./static /app/static
+
 VOLUME /app/images
 
 EXPOSE 3666

docker-compose.yml

@@ -4,6 +4,6 @@ services:
   picran:
     build: .
     ports:
-      - "3666:3666"
+      - "127.0.0.1:3667:3666"
     volumes:
       - "./images:/app/images"