add docker healthchecks to the docker images

Signed-off-by: Zoey <zoey@z0ey.de>

Containers/apache/Dockerfile

@@ -19,6 +19,7 @@ RUN set -ex; \
         openssl \
         netcat \
         dpkg-dev \
+        curl \
     ; \
     rm -rf /var/lib/apt/lists/*
 
@@ -72,4 +73,6 @@ RUN echo "root:$(openssl rand -base64 12)" | chpasswd
 USER www-data
 
 ENTRYPOINT ["start.sh"]
-CMD ["/usr/bin/supervisord", "-c", "/supervisord.conf"]
+CMD ["/usr/bin/supervisord", "-c", "/supervisord.conf"]
+
+HEALTHCHECK CMD (curl -skfI localhost:8000 && curl -skfI localhost:$APACHE_PORT) || exit 1

Containers/collabora/Dockerfile

@@ -13,3 +13,5 @@ RUN set -ex; \
     rm -rf /var/lib/apt/lists/*
 
 USER 104
+
+HEALTHCHECK CMD curl -skfI localhost:9980 || exit 1

Containers/domaincheck/Dockerfile

@@ -1,5 +1,5 @@
 FROM alpine:3.16.2
-RUN apk add --update --no-cache lighttpd bash
+RUN apk add --update --no-cache lighttpd bash curl
 
 RUN adduser -S www-data -G www-data
 RUN rm -rf /etc/lighttpd/lighttpd.conf
@@ -14,3 +14,5 @@ RUN chmod +x /start.sh
 USER www-data
 RUN mkdir -p /var/www/domaincheck/
 ENTRYPOINT ["/start.sh"]
+
+HEALTHCHECK CMD curl -skfI localhost:$APACHE_PORT || exit 1

Containers/imaginary/Dockerfile

@@ -1,2 +1,15 @@
 # From https://github.com/h2non/imaginary/blob/master/Dockerfile
 FROM nextcloud/imaginary:20220822
+
+USER root
+RUN set -ex; \
+    \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        ca-certificates \
+        curl \
+    ; \
+    rm -rf /var/lib/apt/lists/*
+USER nobody
+
+HEALTHCHECK CMD curl -skI 127.0.0.1:9000 || exit 1

Containers/mastercontainer/Dockerfile

@@ -101,3 +101,5 @@ USER root
 
 ENTRYPOINT ["start.sh"]
 CMD ["/usr/bin/supervisord", "-c", "/supervisord.conf"]
+
+HEALTHCHECK CMD curl -skfI https://localhost:8080 || exit 1

Containers/nextcloud/Dockerfile

@@ -252,3 +252,5 @@ RUN echo "root:$(openssl rand -base64 12)" | chpasswd
 
 USER www-data
 ENTRYPOINT ["/start.sh"]
+
+HEALTHCHECK CMD (nc -z localhost 9000 && curl -skI localhost:7867) || exit 1

Containers/onlyoffice/Dockerfile

@@ -1,2 +1,4 @@
 # From https://github.com/ONLYOFFICE/Docker-DocumentServer/blob/master/Dockerfile
 FROM onlyoffice/documentserver:7.1.1.23
+
+HEALTHCHECK CMD curl -skfI localhost || exit 1

Containers/postgresql/Dockerfile

@@ -31,3 +31,5 @@ RUN echo "root:$(openssl rand -base64 12)" | chpasswd
 
 USER postgres
 ENTRYPOINT ["start.sh"]
+
+HEALTHCHECK CMD psql -d "postgresql://$POSTGRES_USER:$POSTGRES_PASSWORD@localhost:5432/$POSTGRES_DB" -c "select now()" || exit 1

Containers/redis/Dockerfile

@@ -11,3 +11,5 @@ RUN echo "root:$(openssl rand -base64 12)" | chpasswd
 
 USER redis
 ENTRYPOINT ["start.sh"]
+
+HEALTHCHECK CMD redis-cli -a $REDIS_HOST_PASSWORD PING || exit 1

Containers/talk/Dockerfile

@@ -9,6 +9,7 @@ RUN set -ex; \
         supervisor \
         curl \
         ca-certificates \
+        netcat \
     ; \
     rm -rf /var/lib/apt/lists/*
 
@@ -67,3 +68,5 @@ ENV TALK_PORT=3478
 USER talk
 ENTRYPOINT ["start.sh"]
 CMD ["/usr/bin/supervisord", "-c", "/supervisord.conf"]
+
+HEALTHCHECK CMD (curl -skI localhost:8081 && curl -skI localhost:8188 && curl -skf --http0.9 localhost:4222 && nc -z localhost $TALK_PORT) || exit 1