fix docker build

Author: yanns

Dockerfile

@@ -7,10 +7,10 @@ RUN mkdir /src
 COPY Gemfile Gemfile.lock /src/
 
 RUN cd /src \
-    && gem install bundler \
+    && gem install bundler -v 2.4.22 \
     && bundle install
 RUN rm -rf /src/Gemfile \
-   && rm -rf /src/Gemfile.lock
+    && rm -rf /src/Gemfile.lock
 
 WORKDIR /src
 

README.md

@@ -22,7 +22,7 @@ bundle exec jekyll serve --watch
 
 or with docker:
 ```
-docker-compose up
+docker compose up
 ```
 
 

docker-compose.yml

@@ -1,9 +1,8 @@
-version: '3'
 services:
   webapp:
     build: .
     ports:
       - 4000:4000
     volumes:
-          - .:/src:cached
-    command: exec jekyll serve
+      - .:/src:cached
+    command: exec jekyll serve