chore(dev): migration to Yarn berry

.gitignore

@@ -34,3 +34,7 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+# yarn
+.pnp.*
+.yarn

.yarnrc.yml

@@ -0,0 +1,5 @@
+nodeLinker: node-modules
+
+logFilters:
+  - level: discard
+    pattern: "react is listed by your project with version * (*), which doesn't satisfy what @fluentui/react-icons and other dependencies request*"

Dockerfile

@@ -7,8 +7,9 @@ RUN apk add --no-cache libc6-compat
 WORKDIR /app
 
 # Install dependencies
-COPY package.json yarn.lock ./
+COPY package.json yarn.lock .yarnrc.yml ./
-RUN yarn --frozen-lockfile
+RUN corepack enable
+RUN yarn install
 
 # Rebuild the source code only when needed
 FROM base AS builder
@@ -16,6 +17,8 @@ WORKDIR /app
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 
+RUN corepack enable
+
 # Next.js collects completely anonymous telemetry data about general usage.
 # Learn more here: https://nextjs.org/telemetry
 # Uncomment the following line in case you want to disable telemetry during the build.

package.json

@@ -44,7 +44,5 @@
 		"typescript": "^5.8.3",
 		"typescript-eslint": "^8.35.1"
 	},
-	"resolutions": {
+	"packageManager": "yarn@4.9.2"
-		"react": "^19.0.0"
-	}
 }