Add deployment automation

* Introduce `docker-compose.yml` for containerized service orchestration.
* Update `.gitlab-ci.yml` with new deployment stages and sync mechanisms, including production and dev environments.

.gitlab-ci.yml

@@ -2,11 +2,14 @@ image: docker:20.10@sha256:2967f0819c84dd589ed0a023b9d25dcfe7a3c123d5bf784ffbb77
 
 include:
   - local: '.gitlab-ci-template.yml'
+  - local: 'main-website/.gitlab-ci.yml'
   - local: 'lawfirm-demos/.gitlab-ci.yml'
 
 stages:
   - build
   - dockerize
+  - deploy
+  - sync
 
 variables:
   CI_REGISTRY_IMAGE: $CI_REGISTRY/$CI_PROJECT_PATH
@@ -20,21 +23,37 @@ cache:
     - node_modules/
     - .next/cache/
 
-# Main Website - Build
-build_main:
-  stage: build
-  extends: .build-next-template
-  variables:
-    WORKDIR_PATH: main-website
+.deploy_production_rule: &deploy_production_rule
+  - if: $CI_COMMIT_BRANCH == "production"
+    when: manual
+    allow_failure: true
 
-# Main Website - Dockerize
-docker_main:
-  stage: dockerize
-  extends: .docker-build-template
+sync_dev_branch:
+  stage: sync
+  image: node:22@sha256:f6b9c31ace05502dd98ef777aaa20464362435dcc5e312b0e213121dcf7d8b95
+  rules:
+    - if: '$CI_COMMIT_BRANCH == "production"'
+  before_script:
+    - git config --global user.email "gitlab-ci@rhein-software.dev"
+    - git config --global user.name "GitLab CI"
+  script:
+    - git remote set-url origin "https://oauth2:${CI_JOB_TOKEN}@${CI_SERVER_HOST}/${CI_PROJECT_PATH}.git"
+    - git checkout dev
+    - git pull origin dev
+    - git merge --no-ff origin/production
+    - git push origin dev
+
+deploy_dev:
+  extends: .deploy-template
   variables:
-    IMAGE_NAME: main-website
-    WORKDIR_PATH: main-website
-    DOCKERFILE_PATH: Dockerfile
-  needs:
-    - job: build_main
-      artifacts: true
+    TAG: dev
+    REMOTE_ENV_PATH: /opt/rheinsw-demo
+  rules:
+    - if: '$CI_COMMIT_BRANCH == "dev" || $CI_COMMIT_BRANCH == "pipeline"'
+
+deploy_prod:
+  extends: .deploy-template
+  variables:
+    TAG: production
+    REMOTE_ENV_PATH: /opt/rheinsw-demo
+  rules: *deploy_production_rule