Use a unified docker-compose file

.gitignore

@@ -1,2 +1,2 @@
-data_*
+*_data
 .env

README.md

@@ -4,15 +4,14 @@ Ensemble des recettes Docker d'Aurore.
 
 L'idée est de pouvoir redonder les services « légers » entre les résidences.
 
-Pour lancer un service, aller dans le dossier puis
+Pour lancer un service, cloner le repo, aller dans le dossier puis
 `sudo docker-compose up --build -d`.
 
 ## Fichiers à protéger
 
 Les fichiers suivant ne doivent être lisibles que par root :
 
-  * les fichiers `.env` (s'inspirer des `example.env`)
-  * grafana/ldap.toml
+  * le fichier `.env` (s'inspirer de `example.env`)
   * django-cas/docker-compose.yml
 
 Mettez dedans les mots de passe de base de données ou du LDAP.

codimd/docker-compose.yml

@@ -1,44 +0,0 @@
-# From https://github.com/codimd/container/
-version: '3'
-services:
-  database:
-    # Don't upgrade PostgreSQL by simply changing the version number
-    # You need to migrate the Database to the new PostgreSQL version
-    image: postgres:9.6-alpine
-    environment:
-      POSTGRES_USER: codimd
-      POSTGRES_PASSWORD: codimdpass
-      POSTGRES_DB: codimd
-    volumes:
-      - ./data_db:/var/lib/postgresql/data
-    restart: always
-
-  app:
-    image: quay.io/codimd/server:1.4.0
-    environment:
-      DEBUG: "false"
-      CMD_DB_URL: "postgres://codimd:codimdpass@database:5432/codimd"
-      CMD_URL_ADDPORT: "false"
-      CMD_EMAIL: "false"
-      CMD_DOMAIN: "${DOMAIN}"
-      CMD_PROTOCOL_USESSL: "true"
-      CMD_USECDN: "false"
-      CMD_ALLOW_FREEURL: "true"
-      CMD_IMAGE_UPLOAD_TYPE: "filesystem"
-      CMD_LDAP_URL: "${LDAP_URL}"
-      CMD_LDAP_BINDDN: "${LDAP_BINDDN}"
-      CMD_LDAP_BINDCREDENTIALS: "${LDAP_BINDCREDENTIALS}"
-      CMD_LDAP_SEARCHBASE: "${LDAP_SEARCHBASE}"
-      CMD_LDAP_SEARCHFILTER: "(uid={{username}})"
-      CMD_LDAP_SEARCHATTRIBUTES: "uid, givenName, mail"
-      CMD_LDAP_USERIDFIELD: "uid"
-      CMD_LDAP_USERNAMEFIELD: "uid"
-      CMD_LDAP_PROVIDERNAME: "${LDAP_PROVIDERNAME}"
-    ports:
-      - "8081:3000"
-    volumes:
-      - ./data_uploads:/codimd/public/uploads
-    restart: always
-    depends_on:
-      - database
-

codimd/example.env

@@ -1,6 +0,0 @@
-DOMAIN=codimd.auro.re
-LDAP_URL=ldap://10.128.0.11
-LDAP_BINDDN=cn=codimd,ou=service-users,dc=auro,dc=re
-LDAP_BINDCREDENTIALS=Change me
-LDAP_SEARCHBASE=cn=Utilisateurs,dc=auro,dc=re
-LDAP_PROVIDERNAME=Aurore

django-cas/Dockerfile

@@ -1,27 +0,0 @@
-# Django CAS server Dockerfile
-#
-# https://github.com/nitmir/django-cas-server
-#
-# Author: erdnaxe
-
-FROM debian:buster-slim
-
-RUN apt-get update && apt-get install -y \
-    python3-pip \
-	python3-django \
-	python3-lxml \
-	python3-requests \
-	python3-requests-futures \
-	python3-six \
-    python3-psycopg2 \
-    python3-whitenoise \
-    python3-ldap3 \
-    gunicorn3
-
-RUN pip3 install django-cas-server
-
-COPY ./code /code/
-WORKDIR /code/
-EXPOSE 8000
-ENTRYPOINT ["./docker-entrypoint.sh"]
-

django-cas/code/cas/settings.py

@@ -1,176 +0,0 @@
-"""
-Django settings for cas project.
-
-Generated by 'django-admin startproject' using Django 1.11.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/1.11/topics/settings/
-
-For the full list of settings and their values, see
-https://docs.djangoproject.com/en/1.11/ref/settings/
-"""
-
-import os
-
-# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
-BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-
-
-# Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/
-
-# SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = os.getenv('DJANGO_SECRET_KEY')
-
-# SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = os.getenv('DJANGO_DEBUG', False)
-
-ALLOWED_HOSTS = [os.getenv('DJANGO_HOST')]
-
-# Suivi des erreurs sur root@
-EMAIL_SUBJECT_PREFIX = "[CAS] "
-ADMINS = (
-    ('Intranet', 'root@crans.org'),
-)
-
-# Application definition
-
-INSTALLED_APPS = [
-    'django.contrib.admin',
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'cas_server',
-]
-
-MIDDLEWARE = [
-    'django.middleware.security.SecurityMiddleware',
-    'whitenoise.middleware.WhiteNoiseMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
-    'django.middleware.locale.LocaleMiddleware',
-]
-
-ROOT_URLCONF = 'cas.urls'
-
-TEMPLATES = [
-    {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [],
-        'APP_DIRS': True,
-        'OPTIONS': {
-            'context_processors': [
-                'django.template.context_processors.debug',
-                'django.template.context_processors.request',
-                'django.contrib.auth.context_processors.auth',
-                'django.contrib.messages.context_processors.messages',
-            ],
-        },
-    },
-]
-
-WSGI_APPLICATION = 'cas.wsgi.application'
-
-
-# Database
-# https://docs.djangoproject.com/en/1.11/ref/settings/#databases
-
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.postgresql',
-        'NAME': os.getenv('DJANGO_DB_NAME'),
-        'HOST': os.getenv('DJANGO_DB_HOST'),
-        'USER': os.getenv('DJANGO_DB_USER'),
-        'PASSWORD': os.getenv('DJANGO_DB_PASSWORD'),
-    }
-}
-
-
-# Password validation
-# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators
-
-AUTH_PASSWORD_VALIDATORS = [
-    {
-        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
-    },
-]
-
-
-# Internationalization
-# https://docs.djangoproject.com/en/1.11/topics/i18n/
-
-LANGUAGE_CODE = 'en-us'
-
-TIME_ZONE = 'UTC'
-
-USE_I18N = True
-
-USE_L10N = True
-
-USE_TZ = True
-
-
-# Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/1.11/howto/static-files/
-
-STATIC_URL = '/static/'
-
-
-# Below are custom parameters
-
-STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
-STATICFILES_DIRS = [os.path.join(BASE_DIR, "static")]
-STATIC_ROOT = os.path.join(BASE_DIR, "staticfiles")
-
-CAS_AUTH_CLASS = "cas_server.auth.LdapAuthUser"
-CAS_LDAP_SERVER = os.getenv('DJANGO_CAS_LDAP_SERVER')
-CAS_LDAP_USER = os.getenv('DJANGO_CAS_LDAP_USER')
-CAS_LDAP_PASSWORD = os.getenv('DJANGO_CAS_LDAP_PASSWORD')
-CAS_LDAP_BASE_DN = os.getenv('DJANGO_CAS_LDAP_BASE_DN')
-
-CAS_INFO_MESSAGES_ORDER = ["cas_explained"]
-
-SESSION_COOKIE_AGE = 86400
-SESSION_EXPIRE_AT_BROWSER_CLOSE = True
-SESSION_COOKIE_HTTPONLY = True
-
-LOGGING = {
-    'version': 1,
-    'disable_existing_loggers': False,
-    'formatters': {
-        'cas_syslog': {
-            'format': 'cas: %(levelname)s %(message)s'
-        },
-    },
-    'handlers': {
-        'cas_syslog': {
-            'level': 'INFO',
-            'class': 'logging.handlers.SysLogHandler',
-            'address': '/dev/log',
-            'formatter': 'cas_syslog',
-        },
-    },
-    'loggers': {
-        'cas_server': {
-            'handlers': ['cas_syslog'],
-            'level': 'INFO',
-            'propagate': True,
-        },
-    },
-}
-

django-cas/code/cas/urls.py

@@ -1,23 +0,0 @@
-"""cas URL Configuration
-
-The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/1.11/topics/http/urls/
-Examples:
-Function views
-    1. Add an import:  from my_app import views
-    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
-Class-based views
-    1. Add an import:  from other_app.views import Home
-    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
-Including another URLconf
-    1. Import the include() function: from django.conf.urls import url, include
-    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
-"""
-from django.conf.urls import include, url
-from django.contrib import admin
-
-urlpatterns = [
-    url(r'^admin/', admin.site.urls),
-    url(r'^', include('cas_server.urls', namespace="cas_server")),
-]
-

django-cas/code/cas/wsgi.py

@@ -1,16 +0,0 @@
-"""
-WSGI config for cas project.
-
-It exposes the WSGI callable as a module-level variable named ``application``.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/
-"""
-
-import os
-
-from django.core.wsgi import get_wsgi_application
-
-os.environ.setdefault("DJANGO_SETTINGS_MODULE", "cas.settings")
-
-application = get_wsgi_application()

django-cas/code/docker-entrypoint.sh

@@ -1,14 +0,0 @@
-#!/bin/bash
-
-# Collect static files
-echo "Collect static files"
-python3 manage.py collectstatic --noinput
-
-# Apply database migrations
-echo "Apply database migrations"
-sleep 5  # wait for db
-python3 manage.py migrate
-
-# Start server
-echo "Starting server"
-gunicorn3 cas.wsgi:application --bind 0.0.0.0:8000 --workers 2 --log-level debug

django-cas/code/manage.py

@@ -1,22 +0,0 @@
-#!/usr/bin/env python
-import os
-import sys
-
-if __name__ == "__main__":
-    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "cas.settings")
-    try:
-        from django.core.management import execute_from_command_line
-    except ImportError:
-        # The above import may fail for some other reason. Ensure that the
-        # issue is really that Django is missing to avoid masking other
-        # exceptions on Python 2.
-        try:
-            import django
-        except ImportError:
-            raise ImportError(
-                "Couldn't import Django. Are you sure it's installed and "
-                "available on your PYTHONPATH environment variable? Did you "
-                "forget to activate a virtual environment?"
-            )
-        raise
-    execute_from_command_line(sys.argv)

django-cas/docker-compose.yml

@@ -1,35 +0,0 @@
-version: '3.7'
-
-services:
-  database:
-    # Don't upgrade PostgreSQL by simply changing the version number
-    # You need to migrate the Database to the new PostgreSQL version
-    image: postgres:9.6-alpine
-    environment:
-      POSTGRES_USER: cas
-      POSTGRES_PASSWORD: caspass
-      POSTGRES_DB: cas
-    volumes:
-      - ./data_db:/var/lib/postgresql/data
-    restart: always
-
-  cas:
-    build:
-      context: .
-    environment:
-      DJANGO_DB_NAME: cas
-      DJANGO_DB_HOST: database
-      DJANGO_DB_USER: cas
-      DJANGO_DB_PASSWORD: caspass
-      DJANGO_SECRET_KEY: "Please change me in production !"
-      DJANGO_HOST: localhost
-      DJANGO_CAS_LDAP_SERVER: "re2o-ldap.adm.auro.re"
-      DJANGO_CAS_LDAP_USER: "cn=cas,ou=service-users,dc=auro,dc=re"
-      DJANGO_CAS_LDAP_PASSWORD: "Change me in prod !"
-      DJANGO_CAS_LDAP_BASE_DN: "cn=Utilisateurs,dc=auro,dc=re"
-    ports:
-      - "8085:8000"
-    restart: always
-    depends_on:
-      - database
-

docker-compose.yml

@@ -0,0 +1,55 @@
+version: "3"
+
+services:
+  riot:
+    build: riot
+    restart: always
+    ports:
+      - 8080:80
+
+  privatebin:
+    image: privatebin/nginx-fpm-alpine
+    restart: always
+    volumes:
+      - ./privatebin_data:/srv/data
+    ports:
+      - 8083:80
+
+  etherpad:
+    build: etherpad
+    restart: always
+    environment:
+      - "POSTGRES_PASSWORD=${ETHERPAD_POSTGRES_PASSWD}"
+    ports:
+      - 8084:9001
+
+  grafana:
+    build: grafana
+    restart: always
+    environment:
+      - "ENV_PASSWORD=${GRAFANA_LDAP_BIND_PASSWD}"
+    volumes:
+      - ./grafana_data:/var/lib/grafana
+    ports:
+      - 8082:3000
+
+  matrix-appservice-discord:
+    image: halfshot/matrix-appservice-discord
+    restart: always
+    volumes:
+      - ./matrix-appservice-discord_data:/data
+      - ./matrix-appservice-discord_data/discord.db:/discord.db
+    ports:
+      - 9005:9005
+
+  prometheus-alertmanager:
+    build: prometheus-alertmanager
+    restart: always
+    ports:
+      - 9093:9093
+
+  prometheus-alertmanager-discord:
+    build: prometheus-alertmanager-discord
+    restart: always
+    environment:
+      - "DISCORD_WEBHOOK=${PROMETHEUS_DISCORD_WEBHOOK}"

env.example

@@ -0,0 +1,4 @@
+# Copy this as .env and make it only readable by root
+ETHERPAD_POSTGRES_PASSWD=CHANGE ME
+GRAFANA_LDAP_BIND_PASSWD=CHANGE ME
+PROMETHEUS_DISCORD_WEBHOOK=CHANGE ME

etherpad/Dockerfile

@@ -0,0 +1,6 @@
+FROM etherpad/etherpad
+
+# Change instance settings
+ENV NODE_ENV=production
+ENV TRUST_PROXY=true
+COPY settings.json /opt/etherpad-lite/settings.json

etherpad/docker-compose.yml

@@ -1,15 +0,0 @@
-version: "3"
-
-services:
-  etherpad:
-    image: etherpad/etherpad
-    environment:
-      - NODE_ENV=production
-      - POSTGRES_USER=etherpad
-      - "POSTGRES_PASSWORD=${POSTGRES_PASSWD}"
-      - POSTGRES_DB=etherpad
-    ports:
-      - 8084:9001
-    volumes:
-      - ./settings.json:/opt/etherpad-lite/settings.json:ro
-    restart: always

etherpad/example.env

@@ -1 +0,0 @@
-POSTGRES_PASSWD=asupersecurepassword

etherpad/settings.json

@@ -22,6 +22,7 @@
  *
  * Would read the configuration values for those items from the environment
  * variables PORT, MINIFY and SKIN_NAME.
+ *
  * If PORT and SKIN_NAME variables were not defined, the default values 9001 and
  * "colibris" would be used. The configuration value "minify", on the other
  * hand, does not have a default indicated. Thus, if the environment variable
@@ -50,13 +51,13 @@
   /*
    * Name your instance!
    */
-  "title": "Etherpad",
+  "title": "${TITLE:Etherpad}",
 
   /*
    * favicon default name
    * alternatively, set up a fully specified Url to your own favicon
    */
-  "favicon": "favicon.ico",
+  "favicon": "${FAVICON:favicon.ico}",
 
   /*
    * Skin name.
@@ -69,20 +70,20 @@
    * - "colibris": the new experimental skin (since Etherpad 1.8), candidate to
    *               become the default in Etherpad 2.0
    */
-  "skinName": "no-skin",
+  "skinName": "${SKIN_NAME:colibris}",
 
   /*
    * IP and port which etherpad should bind at
    */
-  "ip": "0.0.0.0",
-  "port" : 9001,
+  "ip": "${IP:0.0.0.0}",
+  "port": "${PORT:9001}",
 
   /*
    * Option to hide/show the settings.json in admin page.
    *
    * Default option is set to true
    */
-  "showSettingsInAdminPage" : true,
+  "showSettingsInAdminPage": "${SHOW_SETTINGS_IN_ADMIN_PAGE:true}",
 
   /*
    * Node native SSL support
@@ -120,31 +121,13 @@
 
   "dbType": "postgres",
   "dbSettings": {
-                   "user"    : "${POSTGRES_USER}",
     "host":     "10.128.0.31",
     "port":     5432,
-                   "password": "${POSTGRES_PASSWORD}",
-                   "database": "${POSTGRES_DB}"
+    "database": "etherpad",
+    "user":     "etherpad",
+    "password": "${POSTGRES_PASSWORD}"
   },
 
-  /*
-   * An Example of MySQL Configuration (commented out).
-   *
-   * See: https://github.com/ether/etherpad-lite/wiki/How-to-use-Etherpad-Lite-with-MySQL
-   */
-
-  /*
-  "dbType" : "mysql",
-  "dbSettings" : {
-                   "user"    : "etherpaduser",
-                   "host"    : "localhost",
-                   "port"    : 3306,
-                   "password": "PASSWORD",
-                   "database": "etherpad_lite_db",
-                   "charset" : "utf8mb4"
-                 },
-  */
-
   /*
    * The default text of a pad
    */
@@ -283,8 +266,14 @@
 
   /*
    * When you use NGINX or another proxy/load-balancer set this to true.
+   *
+   * This is especially necessary when the reverse proxy performs SSL
+   * termination, otherwise the cookies will not have the "secure" flag.
+   *
+   * The other effect will be that the logs will contain the real client's IP,
+   * instead of the reverse proxy's IP.
    */
-  "trustProxy" : false,
+  "trustProxy": "${TRUST_PROXY:false}",
 
   /*
    * Privacy: disable IP logging
@@ -351,20 +340,20 @@
    *          follow the section "secure your installation" in README.md
    */
 
-  /*
   "users": {
     "admin": {
-      // "password" can be replaced with "hash" if you install ep_hash_auth
-      "password": "changeme1",
+      // 1) "password" can be replaced with "hash" if you install ep_hash_auth
+      // 2) please note that if password is null, the user will not be created
+      "password": "${ADMIN_PASSWORD}",
       "is_admin": true
     },
     "user": {
-      // "password" can be replaced with "hash" if you install ep_hash_auth
-      "password": "changeme1",
+      // 1) "password" can be replaced with "hash" if you install ep_hash_auth
+      // 2) please note that if password is null, the user will not be created
+      "password": "${USER_PASSWORD}",
       "is_admin": false
     }
   },
-  */
 
   /*
    * Restrict socket.io transport methods
@@ -424,7 +413,7 @@
    *
    * Valid values: DEBUG, INFO, WARN, ERROR
    */
-  "loglevel": "INFO",
+  "loglevel": "${LOGLEVEL:INFO}",
 
   /*
    * Logging configuration. See log4js documentation for further information:

grafana/Dockerfile

@@ -0,0 +1,14 @@
+FROM grafana/grafana
+
+ENV GF_SERVER_ROOT_URL=https://grafana.auro.re
+ENV GF_SESSION_COOKIE_SECURE=true
+ENV GF_ANALYTICS_REPORTING_ENABLED=false
+ENV GF_SNAPSHOTS_EXTERNAL_ENABLED=false
+ENV GF_USERS_ALLOW_SIGN_UP=false
+ENV GF_USERS_ALLOW_ORG_CREATE=false
+ENV GF_AUTH_BASIC_ENABLED=false
+ENV GF_AUTH_LDAP_ENABLED=true
+ENV GF_AUTH_LDAP_CONFIG_FILE=/etc/grafana/ldap.toml
+
+COPY ldap.toml /etc/grafana/ldap.toml
+

grafana/docker-compose.yml

@@ -1,29 +0,0 @@
-# For the moment, the LDAP password need to be in ldap.toml
-# In the future, we will be able to make a secret
-# See https://github.com/grafana/grafana/pull/17526
-
-version: "3.7"
-
-services:
-  grafana:
-    image: grafana/grafana
-    environment:
-      - GF_SERVER_ROOT_URL=https://grafana.auro.re
-      - GF_SESSION_COOKIE_SECURE=true
-      - GF_ANALYTICS_REPORTING_ENABLED=false
-      - GF_SNAPSHOTS_EXTERNAL_ENABLED=false
-      - GF_USERS_ALLOW_SIGN_UP=false
-      - GF_USERS_ALLOW_ORG_CREATE=false
-      - GF_AUTH_BASIC_ENABLED=false
-      - GF_AUTH_LDAP_ENABLED=true
-      - GF_AUTH_LDAP_CONFIG_FILE=/etc/grafana/ldap.toml
-
-      # Install Grafana plugins at startup
-      - GF_INSTALL_PLUGINS=grafana-worldmap-panel
-    volumes:
-      - ./data_grafana:/var/lib/grafana
-      - ./ldap.toml:/etc/grafana/ldap.toml:ro
-    ports:
-      - 8082:3000
-    restart: always
-

grafana/ldap.toml

@@ -23,7 +23,7 @@ ssl_skip_verify = false
 bind_dn = "cn=grafana,ou=service-users,dc=auro,dc=re"
 # Search user bind password
 # If the password contains # or ; you have to wrap it with triple quotes. Ex """#password;"""
-bind_password = 'CHANGE ME IN PRODUCTION, I WILL DIFFER !'
+bind_password = '${ENV_PASSWORD}'
 
 # User search filter, for example "(cn=%s)" or "(sAMAccountName=%s)" or "(uid=%s)"
 search_filter = "(cn=%s)"
@@ -50,7 +50,7 @@ email =  "mail"
 group_dn = "cn=sudoldap,ou=posix,ou=groups,dc=auro,dc=re"
 org_role = "Admin"
 # To make user an instance admin  (Grafana Admin) uncomment line below
-grafana_admin = true
+# grafana_admin = true
 # The Grafana organization database id, optional, if left out the default org (id 1) will be used
 # org_id = 1
 

privatebin/docker-compose.yml

@@ -1,11 +0,0 @@
-version: "3.7"
-
-services:
-  privatebin:
-    image: privatebin/nginx-fpm-alpine
-    volumes:
-      - ./data_privatebin:/srv/data
-    ports:
-      - 8083:80
-    restart: always
-

prometheus-alertmanager-discord/Dockerfile

@@ -0,0 +1,43 @@
+# Built following https://medium.com/@chemidy/create-the-smallest-and-secured-golang-docker-image-based-on-scratch-4752223b7324
+
+# STEP 1 build executable binary
+FROM golang:alpine as builder
+
+# BUILD_DATE and VCS_REF are immaterial, since this is a 2-stage build, but our build
+# hook won't work unless we specify the args
+ARG BUILD_DATE
+ARG VCS_REF
+
+# Install SSL ca certificates
+RUN apk update && apk add git && apk add ca-certificates
+# Create appuser
+RUN adduser -D -g '' appuser
+COPY . $GOPATH/src/mypackage/myapp/
+WORKDIR $GOPATH/src/mypackage/myapp/
+#get dependancies
+RUN go get -d -v
+#build the binary
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -ldflags="-w -s" -o /go/bin/alertmanager-discord
+
+
+# STEP 2 build a small image
+# start from scratch
+FROM scratch
+# Now we DO need these, for the auto-labeling of the image
+ARG BUILD_DATE
+ARG VCS_REF
+
+# Good docker practice, plus we get microbadger badges
+LABEL org.label-schema.build-date=$BUILD_DATE \
+      org.label-schema.vcs-url="https://github.com/funkypenguin/alertmanager-discord.git" \
+      org.label-schema.vcs-ref=$VCS_REF \
+      org.label-schema.schema-version="2.2-r1"
+      
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=builder /etc/passwd /etc/passwd
+# Copy our static executable
+COPY --from=builder /go/bin/alertmanager-discord /go/bin/alertmanager-discord
+
+EXPOSE 9094
+USER appuser
+ENTRYPOINT ["/go/bin/alertmanager-discord"]

prometheus-alertmanager-discord/main.go

@@ -0,0 +1,82 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"flag"
+	"fmt"
+        "os"
+	"io/ioutil"
+	"net/http"
+)
+
+type alertManOut struct {
+	Alerts []struct {
+		Annotations struct {
+			Description string `json:"description"`
+			Summary     string `json:"summary"`
+		} `json:"annotations"`
+		EndsAt       string            `json:"endsAt"`
+		GeneratorURL string            `json:"generatorURL"`
+		Labels       map[string]string `json:"labels"`
+		StartsAt     string            `json:"startsAt"`
+		Status       string            `json:"status"`
+	} `json:"alerts"`
+	CommonAnnotations struct {
+		Summary string `json:"summary"`
+	} `json:"commonAnnotations"`
+	CommonLabels struct {
+		Alertname string `json:"alertname"`
+	} `json:"commonLabels"`
+	ExternalURL string `json:"externalURL"`
+	GroupKey    string `json:"groupKey"`
+	GroupLabels struct {
+		Alertname string `json:"alertname"`
+	} `json:"groupLabels"`
+	Receiver string `json:"receiver"`
+	Status   string `json:"status"`
+	Version  string `json:"version"`
+}
+
+type discordOut struct {
+	Content string `json:"content"`
+	Name    string `json:"username"`
+}
+
+func main() {
+	webhookUrl := os.Getenv("DISCORD_WEBHOOK")
+	if webhookUrl == "" {
+		fmt.Fprintf(os.Stderr, "error: environment variable DISCORD_WEBHOOK not found\n")
+		os.Exit(1)
+	}
+	whURL := flag.String("webhook.url", webhookUrl, "")
+	flag.Parse()
+	fmt.Fprintf(os.Stdout, "info: Listening on 0.0.0.0:9094\n")
+	http.ListenAndServe(":9094", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		b, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			panic(err)
+		}
+
+		amo := alertManOut{}
+		err = json.Unmarshal(b, &amo)
+		if err != nil {
+			panic(err)
+		}
+
+		// Format alerts
+		Content := "\n"
+		for _, alert := range amo.Alerts {
+			Content += fmt.Sprintf("*%s* **%s** %s\n", alert.Labels["alertname"], alert.Labels["severity"], alert.Annotations.Summary)
+		}
+
+		// Send to Discord
+		DO := discordOut{
+			Name: "Prometheus 🦋️",
+			Content: Content,
+		}
+		DOD, _ := json.Marshal(DO)
+		http.Post(*whURL, "application/json", bytes.NewReader(DOD))
+	}))
+}
+

prometheus-alertmanager/Dockerfile

@@ -0,0 +1,3 @@
+FROM prom/alertmanager
+
+COPY alertmanager.yml /etc/alertmanager/alertmanager.yml

prometheus-alertmanager/alertmanager.yml

@@ -0,0 +1,61 @@
+# See https://prometheus.io/docs/alerting/configuration/ for documentation.
+
+global:
+  # The smarthost and SMTP sender used for mail notifications.
+  smtp_smarthost: 'localhost:25'
+  smtp_from: 'alertmanager@example.org'
+  #smtp_auth_username: 'alertmanager'
+  #smtp_auth_password: 'password'
+  # The auth token for Hipchat.
+  hipchat_auth_token: '1234556789'
+  # Alternative host for Hipchat.
+  hipchat_api_url: 'https://hipchat.foobar.org/'
+
+# The directory from which notification templates are read.
+templates: 
+- '/etc/prometheus/alertmanager_templates/*.tmpl'
+
+# The root route on which each incoming alert enters.
+route:
+  # The labels by which incoming alerts are grouped together. For example,
+  # multiple alerts coming in for cluster=A and alertname=LatencyHigh would
+  # be batched into a single group.
+  group_by: ['instance']  # group per instance
+
+  # When a new group of alerts is created by an incoming alert, wait at
+  # least 'group_wait' to send the initial notification.
+  # This way ensures that you get multiple alerts for the same group that start
+  # firing shortly after another are batched together on the first 
+  # notification.
+  group_wait: 30s
+
+  # When the first notification was sent, wait 'group_interval' to send a batch
+  # of new alerts that started firing for that group.
+  group_interval: 5m
+
+  # If an alert has successfully been sent, wait 'repeat_interval' to
+  # resend them.
+  repeat_interval: 12h 
+
+  # A default receiver
+  receiver: webhook
+
+
+# Inhibition rules allow to mute a set of alerts given that another alert is
+# firing.
+# We use this to mute any warning-level notifications if the same alert is 
+# already critical.
+inhibit_rules:
+- source_match:
+    severity: 'critical'
+  target_match:
+    severity: 'warning'
+  # Apply inhibition if the alertname is the same.
+  equal: ['alertname', 'cluster', 'service']
+
+
+receivers:
+- name: 'webhook'
+  webhook_configs:
+  - url: 'http://prometheus-alertmanager-discord:9094'
+    send_resolved: true

riot/Dockerfile

@@ -0,0 +1,5 @@
+FROM vectorim/riot-web
+
+# Customize instance settings and background
+COPY config.json /app/config.json
+COPY bg.jpg /app/bg.jpg

riot/docker-compose.yml

@@ -1,13 +0,0 @@
-version: "3"
-
-services:
-  riot:
-    image: vectorim/riot-web
-    volumes:
-      - ./config.json:/app/config.json:ro
-      - ./bg.jpg:/app/bg.jpg:ro
-      # - ./welcome.html:/app/welcome.html:ro
-    ports:
-      - 8080:80
-    restart: always
-