./certify.sh error

[johnfelipe]

root@ubuntu20dockers:~/ShinyStudio# chmod +x certify.sh
root@ubuntu20dockers:~/ShinyStudio# ./certify.sh
Creating shinystudio_certbot_run ... done
fetch http://dl-cdn.alpinelinux.org/alpine/v3.12/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.12/community/x86_64/APKINDEX.tar.gz
v3.12.12-43-g34ec5d9418 [http://dl-cdn.alpinelinux.org/alpine/v3.12/main]
v3.12.12-30-g96b07a1c68 [http://dl-cdn.alpinelinux.org/alpine/v3.12/community]
OK: 12779 distinct packages available
(1/3) Installing nghttp2-libs (1.41.0-r0)
(2/3) Installing libcurl (7.79.1-r1)
(3/3) Installing curl (7.79.1-r1)
Executing busybox-1.31.1-r20.trigger
OK: 24 MiB in 43 packages
Creating shinystudio_certbot_run ... done
Creating shinystudio_certbot_run ... done
Generating a RSA private key
.+++++
.........................+++++
writing new private key to '/etc/letsencrypt/live/example.com/privkey.pem'
-----
Building shinystudio
Sending build context to Docker daemon  11.28MB
Step 1/7 : ARG tag=latest
Step 2/7 : FROM tltmedia/shinystudio:$tag
 ---> 92bba37ff39f
Step 3/7 : COPY config/image/odbc/odbcinst.ini /etc/odbcinst.ini
 ---> 4925a4dc2c07
Step 4/7 : COPY config/image/odbc/odbc.ini /etc/odbc.ini
 ---> d60a2d1ac277
Step 5/7 : COPY config/image/krb/krb5.conf /etc/krb5.conf
 ---> c261766b7607
Step 6/7 : COPY config/image/vscode/User/settings.json /code-server-template/User/settings.json
 ---> 79f648252d97
Step 7/7 : COPY config/image/vscode/User/snippets /code-server-template/User/snippets
 ---> 7dd09af712e2
Successfully built 7dd09af712e2
Successfully tagged shinystudio_shinystudio:latest
WARNING: Image for service shinystudio was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`.
Creating shinystudio_certbot_1 ...
Creating shinystudio_influxdb_1 ...
Creating shinystudio_nginx_1    ...
Creating shinystudio_nginx_1    ... error

ERROR: for shinystudio_nginx_1  Cannot start service nginx: driver failed prograCreating shinystudio_certbot_1  ... done
Creating shinystudio_influxdb_1 ... done
 is already allocated
Creating shinystudio_shinystudio_1 ... done

ERROR: for nginx  Cannot start service nginx: driver failed programming external connectivity on endpoint shinystudio_nginx_1 (f633d71dacef100b7f22f3df3426e719446c06e42bede1772a4fc6cb4ccde71d): Bind for 0.0.0.0:80 failed: port is already allocated
ERROR: Encountered errors while bringing up the project.

how solve?