Update .gitpod.Dockerfile

.gitpod.Dockerfile

@@ -1,9 +1,9 @@
 FROM gitpod/workspace-mongodb
 RUN yarn global add pm2 && \
-    wget https://dl.min.io/server/minio/release/linux-amd64/minio -O /usr/bin/minio
-    chmod 755 /usr/bin/minio
+    wget https://dl.min.io/server/minio/release/linux-amd64/minio -O /usr/bin/minio && \
+    chmod 755 /usr/bin/minio && \
     apt-get update && \
     apt-get install clang -y && \
     cargo install sonic-server && \
-    echo '{"host":"127.0.0.1","port":"27017","name":"hydro","username":"","password":""}' >/home/gitpod/.hydro/config.json
-    echo "MINIO_ACCESS_KEY=hydro\nMINIO_SECRET_KEY=hydrohydro" >/home/gitpod/.hydro/env
+    echo '{"host":"127.0.0.1","port":"27017","name":"hydro","username":"","password":""}' >/home/gitpod/.hydro/config.json && \
+    echo "MINIO_ACCESS_KEY=hydro\nMINIO_SECRET_KEY=hydrohydro" >/home/gitpod/.hydro/env