Customizations

Dockerfile

@@ -1,21 +1,18 @@
-FROM python:2-alpine
+FROM python:2
 MAINTAINER Henri Dwyer <henri@dwyer.io>
 
-VOLUME /certs
 VOLUME /etc/letsencrypt
 EXPOSE 80
 
-RUN apk add --no-cache --virtual .build-deps linux-headers gcc musl-dev\
-  && apk add --no-cache libffi-dev openssl-dev dialog\
-  && pip install certbot\
-  && apk del .build-deps\
-  && mkdir /scripts
+RUN apt update && apt install -y cron
+RUN pip install certbot
+RUN mkdir /scripts
 
-ADD crontab /etc/crontabs
-RUN crontab /etc/crontabs/crontab
+ADD ./crontab /etc/cron.d/certbot
+RUN crontab /etc/cron.d/certbot
 
 COPY ./scripts/ /scripts
 RUN chmod +x /scripts/run_certbot.sh
 
 ENTRYPOINT []
-CMD ["crond", "-f"]
+CMD ["/scripts/entrypoint.sh"]

Makefile

@@ -0,0 +1,7 @@
+all: build
+
+build: Makefile Dockerfile
+	docker build --squash -t staticfloat/docker-letsencrypt-cron .
+
+push: build
+	docker push staticfloat/docker-letsencrypt-cron

crontab

@@ -1 +1 @@
-0 3 1 */2 * root sh /scripts/run_certbot.sh
+0 */12 * * * root sh /scripts/run_certbot.sh

docker-compose.yml

@@ -1,6 +1,7 @@
 version: '2'
 
 services:
+  # Example docker-compose service
   certbot:
     build: .
     container_name: certbot
@@ -11,5 +12,5 @@ services:
       - WEBROOT=""
       - DOMAINS=domain1.com domain2.com
       - EMAIL=webmaster@domain1.com
-      - CONCAT=true
+      - CONCAT=false
       - SEPARATE=true

scripts/entrypoint.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+/scripts/run_certbot.sh
+crond -f