Enable Corepack and set Yarn version in Dockerfile for frontend build

- Allow forcing Docker testing with the DOCKER_FORCE environment variable for local development
- Update Docker availability check to accommodate forced testing scenarios

.gitea/workflows/ci.yml

@@ -255,7 +255,8 @@ jobs:
         working-directory: bugulma/backend
         run: |
           # Check if Docker is available for testcontainers
-          if command -v docker &> /dev/null && docker info &> /dev/null; then
+          # Allow forcing Docker testing with DOCKER_FORCE=true (useful for local development)
+          if [ "$DOCKER_FORCE" = "true" ] || (command -v docker &> /dev/null && docker info &> /dev/null 2>&1); then
             echo "✅ Docker available - running all tests with testcontainers"
             echo "🧪 Testcontainers will provide isolated PostgreSQL instances"
 

bugulma/frontend/Dockerfile

@@ -4,6 +4,9 @@ FROM node:18-alpine AS builder
 # Set working directory
 WORKDIR /app
 
+# Enable corepack and set yarn version
+RUN corepack enable && corepack prepare yarn@4.12.0 --activate
+
 # Copy package files
 COPY package*.json yarn.lock ./