Fixes docker file when using letsencrypt. Adds ps command to nginx image for start.sh to be able to run without errors (#1154)

{{cookiecutter.project_slug}}/compose/nginx/Dockerfile

@@ -2,6 +2,9 @@ FROM nginx:latest
 ADD nginx.conf /etc/nginx/nginx.conf
 
 {% if cookiecutter.use_lets_encrypt == 'y' and cookiecutter.use_docker == 'y' %}
+# installs the `ps` command in the nginx image
+RUN apt-get update && apt-get install -y procps
+
 ADD start.sh /start.sh
 ADD nginx-secure.conf /etc/nginx/nginx-secure.conf
 ADD dhparams.pem /etc/ssl/private/dhparams.pem

{{cookiecutter.project_slug}}/docker-compose.yml

@@ -28,14 +28,12 @@ services:
       - django
 {% if cookiecutter.use_lets_encrypt == 'y' %}
       - certbot
+    environment:
+      - MY_DOMAIN_NAME={{ cookiecutter.domain_name }}
 {% endif %}
     ports:
       - "0.0.0.0:80:80"
 {% if cookiecutter.use_lets_encrypt == 'y' %}
-    environment:
-      - MY_DOMAIN_NAME={{ cookiecutter.domain_name }}
-    ports:
-      - "0.0.0.0:80:80"
       - "0.0.0.0:443:443"
     volumes:
       - /etc/letsencrypt:/etc/letsencrypt