This reverts commit d0cd709c08.

- duplicate X-Content-Type-Options
- X-Frame-Options header
- Referrer-Policy [Might consider adding variable]
- Secure flag with cookies
- matrix_grafana_content_security_policy variable for [Content Security Policy](https://grafana.com/docs/grafana/latest/administration/configuration/#content_security_policy)

Supposedly fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/907

Update prometheus node exporter (1.1.0->1.1.2)

Update prometheus (2.24.1->2.26.0)

X-XSS-Protection: 1; mode=block; header, for basic XSS protection in legacy browsers.
X-Content-Type-Options: nosniff header, to disable MIME sniffing

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/999

CoTurn Disable support for TLS 1.0 and TLS 1.1

These old versions of TLS rely on MD5 and SHA-1, both now broken, and contain other flaws. TLS 1.0 is no longer PCI-DSS compliant and the TLS working group has adopted a document to deprecate TLS 1.0 and TLS 1.1.

GoMatrixHosting v0.4.2

Updated Element Web 1.7.24.1 -> 1.7.25

use custom docker registry

Signed-off-by: Ahmad Haghighi <haghighi@fedoraproject.org>

Add sanity check for server architecture

Fix for"nginx and two other services boot loops" #966

Fix step 3 of Mjolnir instructions

fix nginx boot loop

This was causing a port conflict when `matrix_nginx_proxy_enabled: false`.

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/983

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/868

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/868

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/868

.. and prevent variable name overlap with `matrix-postgres` for the
other variables as well.

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/868

- Added a postgres-backup role

Allow special characters in Grafana password and upgrade Grafana

GoMatrixHosting v0.4.0 update