CLD-5699 Preliminary fixes (#25040)

* Rework some of PR24647
* Store MM_LICENSE to .env.server file
* Remove legacy network setup
* Fixes, generate docker-compose and env files in one place
* Simplify templating mechanism for server.yml
* Fix race condition for dashboard start
* Fix websockets for local debugging
* Fix: make webhook-interaction work again
* Simplify and fix dashboard&cloud configuration, formatting fix

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/.ci/.e2erc

@@ -2,6 +2,9 @@
 
 # Utility variables
 # NB: these assume you `source` them from the directory this file is in
+# Set up base docker compose file and export
+export MME2E_DC_SERVER="docker compose -p mmserver -f ./server.yml"
+export MME2E_DC_DASHBOARD="docker compose -p mmdashboard -f ./dashboard/docker/docker-compose.yml -f ./dashboard.override.yml"
 export MME2E_UID=$(id -u)
 export MME2E_OSTYPE=$(docker version -f '{{ .Client.Os }}')
 export MME2E_ARCHTYPE=$(docker version -f '{{ .Client.Arch }}')
@@ -10,8 +13,11 @@ export NODE_VERSION_REQUIRED=$(cat ../../.nvmrc)
 # Default values for optional variables
 export SERVER_IMAGE_DEFAULT="mattermostdevelopment/mm-ee-test:$(git rev-parse --short=7 HEAD)"
 export BROWSER_DEFAULT="chrome"
+export SERVER_DEFAULT="self-hosted"
+export TEST_DEFAULT="cypress"
+export ENABLED_DOCKER_SERVICES_DEFAULT="postgres inbucket"
+# OS specific defaults overrides
 case $MME2E_OSTYPE in
-  # OS specific defaults overrides
   darwin )
     BROWSER_DEFAULT="electron" ;;
   * )
@@ -20,6 +26,9 @@ esac
 # Populate the optional variables that are used in the docker-compose file
 export SERVER_IMAGE=${SERVER_IMAGE:-$SERVER_IMAGE_DEFAULT}
 export BROWSER=${BROWSER:-$BROWSER_DEFAULT}
+export SERVER=${SERVER:-$SERVER_DEFAULT}
+export TEST=${TEST:-$TEST_DEFAULT}
+export ENABLED_DOCKER_SERVICES=${ENABLED_DOCKER_SERVICES:-$ENABLED_DOCKER_SERVICES_DEFAULT}
 
 # Function definitions
 mme2e_log () { echo "[$(date +%Y-%m-%dT%H:%M:%S%Z)]" "$@"; }
@@ -30,16 +39,16 @@ mme2e_get_current_shopt_arg () {
   case $(set -o | sed -n -E "s/^${SHOPT_ARG}[[:space:]]+(o..?)$/\1/p") in
     on) echo -n "-o ${SHOPT_ARG}";;
     off) echo -n "+o ${SHOPT_ARG}";;
-    *) exit 1;;
+    *) return 1;;
   esac
 }
 mme2e_load_env_file () {
-  # This loads the ./.env file. Variables are automatically exported
-  [ -f ./.env ] || return 0
+  # This loads the ./env file. Variables are automatically exported
+  [ -f ./env ] || return 0
   MME2E_PREVIOUS_ALLEXPORT=$(mme2e_get_current_shopt_arg allexport)
   set -o allexport
-  mme2e_log "Loading .env file"
-  . ./.env
+  mme2e_log "Loading env file"
+  . ./env
   # shellcheck disable=SC2086
   set ${MME2E_PREVIOUS_ALLEXPORT}
 }
@@ -65,14 +74,15 @@ mme2e_wait_command_success () {
   # shellcheck disable=SC2086
   set ${MME2E_PREVIOUS_PIPEFAIL}
   if [ "$RETRIES_LEFT" = "0" ]; then
-    exit 1
+    return 1
   fi
 }
 mme2e_wait_service_healthy () {
+  DC_COMMAND="${DC_COMMAND:-$MME2E_DC_SERVER}"
   SERVICE_NAME=${1?}
   RETRIES_LEFT=${2:-1}
   RETRIES_INTERVAL=${3:-10}
-  mme2e_wait_command_success "${MME2E_DC_SERVER} ps ${SERVICE_NAME} | grep -q '\(healthy\)'" "Waiting for ${SERVICE_NAME} container to be healthy" "$RETRIES_LEFT" "$RETRIES_INTERVAL"
+  mme2e_wait_command_success "${DC_COMMAND} ps ${SERVICE_NAME} | grep -q '\(healthy\)'" "Waiting for ${SERVICE_NAME} container to be healthy" "$RETRIES_LEFT" "$RETRIES_INTERVAL"
 }
 mme2e_wait_image () {
   IMAGE_NAME=${1?}
@@ -80,20 +90,16 @@ mme2e_wait_image () {
   RETRIES_INTERVAL=${3:-10}
   mme2e_wait_command_success "docker pull $IMAGE_NAME" "Waiting for docker image ${IMAGE_NAME} to be available" "$RETRIES_LEFT" "$RETRIES_INTERVAL"
 }
-mme2e_legacy_setup () {
-  # These functions are needed until every pipeline depending on the `server/build/gitlab-dc.*.yml` files is adapted to not use external docker networking anymore
-  # After that is fixed, this function and the external network in the docker-compose files may be removed
-  export COMPOSE_PROJECT_NAME=mmserver_legacy
-  case $MME2E_OSTYPE in
-    windows )
-      # https://learn.microsoft.com/en-us/virtualization/windowscontainers/container-networking/network-drivers-topologies
-      DOCKER_NETWORK_DRIVER="nat" ;;
-    * )
-      DOCKER_NETWORK_DRIVER="bridge" ;;
-  esac
-  docker network inspect ${COMPOSE_PROJECT_NAME} >/dev/null 2>&1 || docker network create --driver=${DOCKER_NETWORK_DRIVER} ${COMPOSE_PROJECT_NAME}
+mme2e_is_token_in_list() {
+  local TOKEN=$1
+  local LIST=$2
+  grep -qE "(^| )$TOKEN( |$)" <<<"$LIST"
 }
 
+# Utility alias, for interactive shell usage. Can be reversed with 'unalias docker-compose' in your shell
+# NB: this won't work in the script
+alias docker-compose-mmserver='${MME2E_DC_SERVER}'
+alias docker-compose-mmdashboard='${MME2E_DC_DASHBOARD}'
+
 # Call prerequisite utility functions
 mme2e_load_env_file
-mme2e_legacy_setup # Temporary