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docker-stacks/examples/docker-compose/bin/letsencrypt.sh
2022-07-05 22:01:54 +04:00

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#!/bin/bash
# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
# Use https://letsencrypt.org to create a certificate for a single domain
# and store it in a Docker volume.
set -e
# Get domain and email from environment
[ -z "${FQDN}" ] && \
echo "ERROR: Must set FQDN environment variable" && \
exit 1
[ -z "${EMAIL}" ] && \
echo "ERROR: Must set EMAIL environment variable" && \
exit 1
# letsencrypt certificate server type (default is production).
# Set `CERT_SERVER=--staging` for staging.
: "${CERT_SERVER=''}"
# Create Docker volume to contain the cert
: "${SECRETS_VOLUME:=my-notebook-secrets}"
docker volume create --name "${SECRETS_VOLUME}" 1>/dev/null
# Generate the cert and save it to the Docker volume
docker run -it --rm \
-p 80:80 \
-v "${SECRETS_VOLUME}":/etc/letsencrypt \
quay.io/letsencrypt/letsencrypt:latest \
certonly \
--non-interactive \
--keep-until-expiring \
--standalone \
--standalone-supported-challenges http-01 \
--agree-tos \
--domain "${FQDN}" \
--email "${EMAIL}" \
"${CERT_SERVER}"
# Set permissions so nobody can read the cert and key.
# Also symlink the certs into the root of the /etc/letsencrypt
# directory so that the FQDN doesn't have to be known later.
docker run -it --rm \
-v "${SECRETS_VOLUME}":/etc/letsencrypt \
ubuntu:22.04 \
bash -c "ln -s /etc/letsencrypt/live/${FQDN}/* /etc/letsencrypt/ && \
find /etc/letsencrypt -type d -exec chmod 755 {} +"