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#!/bin/bash
if [ "${NGINX_HTTPS_ENABLED}" = "true" ]; then
# Check if the certificate and key files for the specified domain exist
if [ -n "${CERTBOT_DOMAIN}" ] && \
[ -f "/etc/letsencrypt/live/${CERTBOT_DOMAIN}/${NGINX_SSL_CERT_FILENAME}" ] && \
[ -f "/etc/letsencrypt/live/${CERTBOT_DOMAIN}/${NGINX_SSL_CERT_KEY_FILENAME}" ]; then
SSL_CERTIFICATE_PATH="/etc/letsencrypt/live/${CERTBOT_DOMAIN}/${NGINX_SSL_CERT_FILENAME}"
SSL_CERTIFICATE_KEY_PATH="/etc/letsencrypt/live/${CERTBOT_DOMAIN}/${NGINX_SSL_CERT_KEY_FILENAME}"
else
SSL_CERTIFICATE_PATH="/etc/ssl/${NGINX_SSL_CERT_FILENAME}"
SSL_CERTIFICATE_KEY_PATH="/etc/ssl/${NGINX_SSL_CERT_KEY_FILENAME}"
fi
export SSL_CERTIFICATE_PATH
export SSL_CERTIFICATE_KEY_PATH
# set the HTTPS_CONFIG environment variable to the content of the https.conf.template
HTTPS_CONFIG=$(envsubst < /etc/nginx/https.conf.template)
export HTTPS_CONFIG
# Substitute the HTTPS_CONFIG in the default.conf.template with content from https.conf.template
envsubst '${HTTPS_CONFIG}' < /etc/nginx/conf.d/default.conf.template > /etc/nginx/conf.d/default.conf
fi
if [ "${NGINX_ENABLE_CERTBOT_CHALLENGE}" = "true" ]; then
ACME_CHALLENGE_LOCATION='location /.well-known/acme-challenge/ { root /var/www/html; }'
else
ACME_CHALLENGE_LOCATION=''
fi
export ACME_CHALLENGE_LOCATION
env_vars=$(printenv | cut -d= -f1 | sed 's/^/$/g' | paste -sd, -)
envsubst "$env_vars" < /etc/nginx/nginx.conf.template > /etc/nginx/nginx.conf
envsubst "$env_vars" < /etc/nginx/proxy.conf.template > /etc/nginx/proxy.conf
envsubst < /etc/nginx/conf.d/default.conf.template > /etc/nginx/conf.d/default.conf
# Start Nginx using the default entrypoint
exec nginx -g 'daemon off;' |