Docker-compose: Add mailhog to dc-debug + remove noise (DefectDojo#5945)

* Fix indentation in docker-compose.override.debug.yml

For some reason, the structure in `docker-compose.override.debug.yml` was indented more then in other `docker-compose.override.*.yml` files

* Add mailhog to dc-debug + remove noise

Co-authored-by: valentijnscholten <[email protected]>

docker-compose.override.debug.yml

@@ -9,6 +9,7 @@ services:
       DD_DEBUG: 'True'
       DD_ADMIN_USER: "${DD_ADMIN_USER:-admin}"
       DD_ADMIN_PASSWORD: "${DD_ADMIN_PASSWORD:-admin}"
+      DD_EMAIL_URL: "smtp://mailhog:1025"
     ports:
       - target: ${DD_DEBUG_PORT:-3000}
         published: ${DD_DEBUG_PORT:-3000}
@@ -17,6 +18,8 @@ services:
   celeryworker:
     volumes:
       - '.:/app:z'
+    environment:
+      DD_EMAIL_URL: "smtp://mailhog:1025"
   celerybeat:
     volumes:
       - '.:/app:z'
@@ -41,3 +44,16 @@ services:
         published: ${DD_DATABASE_PORT}
         protocol: tcp
         mode: host
+  mailhog:
+    image: mailhog/mailhog:v1.0.1@sha256:8d76a3d4ffa32a3661311944007a415332c4bb855657f4f6c57996405c009bea
+    entrypoint: [ "/bin/sh", "-c", "MailHog &>/dev/null" ]
+    # inspired by https://github.com/mailhog/MailHog/issues/56#issuecomment-291968642
+    ports:
+      - target: 1025
+        published: 1025
+        protocol: tcp
+        mode: host
+      - target: 8025
+        published: 8025
+        protocol: tcp
+        mode: host

docker-compose.override.dev.yml

@@ -40,6 +40,8 @@ services:
         mode: host
   mailhog:
     image: mailhog/mailhog:v1.0.1@sha256:8d76a3d4ffa32a3661311944007a415332c4bb855657f4f6c57996405c009bea
+    entrypoint: [ "/bin/sh", "-c", "MailHog &>/dev/null" ]
+    # inspired by https://github.com/mailhog/MailHog/issues/56#issuecomment-291968642
     ports:
       - target: 1025
         published: 1025