Merge branch 'master' into feat-startup

core/admin/Dockerfile

@@ -4,7 +4,7 @@ RUN mkdir -p /app
 WORKDIR /app
 
 COPY requirements-prod.txt requirements.txt
-RUN apk add --no-cache openssl \
+RUN apk add --no-cache openssl curl \
  && apk add --no-cache --virtual build-dep openssl-dev libffi-dev python-dev build-base \
  && pip install -r requirements.txt \
  && apk del --no-cache build-dep
@@ -20,3 +20,5 @@ EXPOSE 80/tcp
 VOLUME ["/data"]
 
 CMD /start.py
+
+HEALTHCHECK CMD curl -f -L http://localhost/ui || exit 1

core/dovecot/Dockerfile

@@ -13,3 +13,5 @@ EXPOSE 110/tcp 143/tcp 993/tcp 4190/tcp 2525/tcp
 VOLUME ["/data", "/mail"]
 
 CMD /start.py
+
+HEALTHCHECK --start-period=350s CMD echo QUIT|nc localhost 110|grep "Dovecot ready."

core/nginx/Dockerfile

@@ -1,6 +1,6 @@
 FROM alpine:3.8
 
-RUN apk add --no-cache certbot nginx nginx-mod-mail openssl \
+RUN apk add --no-cache certbot nginx nginx-mod-mail openssl curl \
  python py-jinja2 py-requests-toolbelt py-pip \
  && pip install --upgrade pip \
  && pip install idna
@@ -12,3 +12,5 @@ EXPOSE 80/tcp 443/tcp 110/tcp 143/tcp 465/tcp 587/tcp 993/tcp 995/tcp 25/tcp 100
 VOLUME ["/certs"]
 
 CMD /start.py
+
+HEALTHCHECK CMD curl -k -f -L http://localhost/health || exit 1

core/nginx/conf/nginx.conf

@@ -150,6 +150,10 @@ http {
         proxy_pass_request_body off;
         proxy_set_header Content-Length "";
       }
+
+      location /health {
+        return 204;
+      }
     }
     {% endif %}
 

core/postfix/Dockerfile

@@ -12,3 +12,5 @@ EXPOSE 25/tcp 10025/tcp
 VOLUME ["/data"]
 
 CMD /start.py
+
+HEALTHCHECK --start-period=350s CMD echo QUIT|nc localhost 25|grep "220 .* ESMTP Postfix"