feat: docker postfix

.gitignore

@@ -18,5 +18,5 @@ nginx/config/*
 config.production.json
 ghost/data/*
 !ghost/data/.gitkeep
-api/nvdnew/settings/mail_settings.py
 .DS_Store
+postfix/.env

api/nvdnew/settings/mail_settings.py

@@ -0,0 +1,16 @@
+EMAIL_HOST = 'postfix'
+
+EMAIL_HOST_USER = ''
+
+EMAIL_HOST_PASSWORD = ''
+
+# Normally using port 25 is unsafe as it cannot be encrypted.
+# However, all the traffic to port 25 will remain inside docker.
+# After the traffic leaves docker through the mailserver, it will be on port 587.
+EMAIL_PORT = '25'
+
+EMAIL_USE_TLS = False
+
+EMAIL_USE_SSL = False
+
+EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'

docker-compose-prod.yml

@@ -57,5 +57,17 @@ services:
       - ./nginx/config:/config # Todo: Can this volume include the below?
       - frontend-files:/frontend
 
+  postfix:
+    build:
+      context: ./postfix
+    ports:
+      - "587:587"
+    env_file:
+      - path: ./postfix/.env
+        required: true
+    volumes:
+      - postfix-spool:/var/spool/postfix # Volume for storing unset postfix emails
+
 volumes:
   frontend-files:
+  postfix-spool:

docker-compose-test.yml

@@ -57,5 +57,19 @@ services:
       - ./nginx/config:/config # Todo: Can this volume include the below?
       - frontend-files:/frontend
 
+  # Is postfix nessesary for tests? Do we actually use the tests? Do the tests even work?
+  # These are all good questions that I don't have the answer to and I'm too annoyed of this project to find out.
+  # I have included it here because why not.
+  postfix:
+    build:
+      context: ./postfix
+    ports:
+      - "587:587"
+    env_file:
+      - path: ./postfix/.env.default
+        required: true
+      - path: ./postfix/.env
+        required: false
+
 volumes:
   frontend-files:

docker-compose.yml

@@ -19,6 +19,7 @@ services:
       - DJANGO_SETTINGS_MODULE=nvdnew.settings.dev
     depends_on:
       - postgres
+
   frontend:
     build:
       context: ./frontend
@@ -30,10 +31,22 @@ services:
       - ./frontend/src:/frontend/src
       - ./frontend/static:/frontend/static
       - ./frontend/test:/frontend/test
+
   fileserver:
     build: ./fileserver
     ports:
       - "9000:9000"
     command: ["./main"]
     volumes:
       - ./fileserver/uploads:/root/uploads
+
+  postfix:
+    build:
+      context: ./postfix
+    ports:
+      - "587:587"
+    env_file:
+      - path: ./postfix/.env.default
+        required: true
+      - path: ./postfix/.env
+        required: false

postfix/.env.default

@@ -0,0 +1,8 @@
+# This is only included as an example.
+# You should create your own .env file with real values for prod!
+
+SMTP_SERVER=smtp.some-provier.com
+SMTP_PORT=587
+SMTP_USERNAME=the username for the smtp server
+SMTP_PASSWORD=a very secure password
+SERVER_HOSTNAME=nettverksdagene.no

postfix/Dockerfile

@@ -0,0 +1,6 @@
+FROM juanluisbaptiste/postfix:latest
+
+# Add a delay between every email sent
+# Needed to avoid hitting the rate limit
+# A bit hacky but it works :)
+RUN echo -e "\ndefault_destination_rate_delay = 3s\n" >> /etc/postfix/main.cf