feat: Dockerfile multistage

.dockerignore

@@ -0,0 +1,8 @@
+node_modules
+npm-debug.log
+Dockerfile
+.dockerignore
+.git
+.gitignore
+build
+assets

.woodpecker/.workflow.yml

@@ -21,6 +21,6 @@ steps:
       - /var/run/docker.sock:/var/run/docker.sock
     commands:
       - docker login forgejo.transprot.eu -u $DOCKER_USERNAME -p $DOCKER_PASSWORD
-      - docker build -t 'forgejo.transprot.eu/public/react-simple:${CI_PIPELINE_NUMBER}' -t 'forgejo.transprot.eu/public/react-simple:latest' .
+      - docker build -t 'forgejo.transprot.eu/public/react-multistage:${CI_PIPELINE_NUMBER}' -t 'forgejo.transprot.eu/public/react-multistage:latest' .
-      - docker push forgejo.transprot.eu/public/react-simple:${CI_PIPELINE_NUMBER}
+      - docker push forgejo.transprot.eu/public/react-multistage:${CI_PIPELINE_NUMBER}
-      - docker push forgejo.transprot.eu/public/react-simple:latest
+      - docker push forgejo.transprot.eu/public/react-multistage:latest

Dockerfile

@@ -1,5 +1,14 @@
-FROM node:18
+# Build stage of the application
-COPY . .
+FROM node:18 AS build
+WORKDIR /app
+COPY package*.json ./
 RUN npm install
+COPY . .
+RUN npm run build
+
+# Production stage to run the application
+FROM node:18 AS production
+COPY --from=build /app/build /prod
+RUN npm install --global serve
 EXPOSE 3000
-CMD ["npm", "start"]
+CMD ["serve", "prod/"]

README.md

@@ -36,6 +36,59 @@ docker image ls | from ssv | where repository starts-with 'react'
 Here's the result of running this command that shows how shamefully big the image is:
 ![Size of the image](./assets/react-simple-size.png)
 
+### First optimisation: using a .dockerignore file and multi-stage build
+
+The first optimization that we can do is using a `.dockerignore` file. Just like a `.gitignore` file, a `.dockerignore` file allows us to exclude file and folders that we don't want to include in the docker image that we are building.
+
+Here's the `.dockerignore` file that I added to this simple project to mainly exclude the dark hole that node_modules are `node_modules`:
+```
+node_modules
+npm-debug.log
+Dockerfile
+.dockerignore
+.git
+.gitignore
+build
+assets
+```
+
+In our context, this command only optimizes the build time and not the build size, as the `309 MB` that the node_modules folder occupies are not needed to build the docker imagen but as we run the `npm install` command in any case inside the Dockerfile, this folder is generated and included from inside the Dockerfile.
+
+A better optimisation of the image is to use multi-stage build. Multi-stage builds allows us to include only what is necessary to run the image, and to not include the build files or node_modules for example.
+
+Here's the new version of the `Dockerfile` using multi-stage build:
+```Dockerfile
+# Build stage of the application
+FROM node:18 AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+# Production stage to run the application
+FROM node:18 AS production
+COPY --from=build /app/build /prod
+RUN npm install --global serve
+EXPOSE 3000
+CMD ["serve", "prod/"]
+```
+
+You can run the following command to build the image:
+```shell
+docker build -t 'react-multistage' .
+```
+
+You can run the following command to verify that the new image size is smaller than the previous one:
+```shell
+docker image ls
+```
+
+I am still usig Nushell on my end to have a pretty print and filter on the images that I want which gives me the following output:
+![Multistage image size](./assets/react-multistage-size.png)
+
+The image now weighs `44 MB` less, which is 1.27 times smaller, and a whopping 21.67% reduction in size!
+
 # Français
 
 ## Comment réduire la taille de vos images 💿 docker 🐳 ?
@@ -72,4 +125,57 @@ docker image ls | from ssv | where repository starts-with 'react'
 ```
 
 Voici un aperçu de ce que cette commande m'affiche avec le poids de l'image assez désastreux:
-![Taille de cette image](./assets/react-simple-size.png)
+![Taille de cette image](./assets/react-simple-size.png)
+
+### Première optimisation: utilisation de .dockerignore et multi-stage
+
+Une des première optimisation que l'on peut faire est d'utiliser un fichier `.dockerignore`. Tout comme un fichier `.gitignore`, le fichier `.dockerignore` permet de ne pas include certains dossiers ou fichier qui ne sont pas nécessaire pour l'image que l'on construit.
+
+Voici le `.dockerignore` que j'ai rajouté à ce simple projet pour notamment éviter d'inclure le trou noir qu'est le dossier `node_modules`:
+```
+node_modules
+npm-debug.log
+Dockerfile
+.dockerignore
+.git
+.gitignore
+build
+assets
+```
+
+Cependant, ce que cette commande optimise est le temps du build de l'image, car les `309 MB` qu'occupe actuellement ce dossier ne sont pas nécessaire à inclure dans l'image lors du build de celle-ci, mais comme nous lançons la commande `npm install` dans tous les cas dans le Dockerfile, ils sont réinstallé et ré-inclut dans l'image.
+
+Une meilleure optimisation de l'image est d'utiliser le multi-stage build. Le multi-stage build permet de n'inclure que ce qui est nécessaire pour exécuter votre programme et de ne pas inclure les fichier de build ou les node_modules par exemple.
+
+Voici la nouvelle version du `Dockerfile` découpé en multi-stage:
+```Dockerfile
+# Build stage of the application
+FROM node:18 AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+# Production stage to run the application
+FROM node:18 AS production
+COPY --from=build /app/build /prod
+RUN npm install --global serve
+EXPOSE 3000
+CMD ["serve", "prod/"]
+```
+
+Vous pouvez lancer la commande suivante pour construire l'image:
+```shell
+docker build -t 'react-multistage' .
+```
+
+Vous pouvez relancer la comande suivante pour vérifier que la taille a bien diminué cette fois-ci:
+```shell
+docker image ls
+```
+
+Pour ma part j'utilise toujours Nushell pour avoir cette belle présentation des résultats filtré:
+![Taille de l'image multistage](./assets/react-multistage-size.png)
+
+L'image pèse maintenant `44 MB` de moins, on a une image 1.27 fois plus petite, soit une diminution de la taille de 21.67% !

package-lock.json

@@ -11,7 +11,8 @@
         "cra-template": "1.2.0",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
-        "react-scripts": "5.0.1"
+        "react-scripts": "5.0.1",
+        "serve": "^14.2.4"
       },
       "devDependencies": {
         "web-vitals": "^4.2.4"
@@ -4199,6 +4200,12 @@
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       "license": "Apache-2.0"
     },
+    "node_modules/@zeit/schemas": {
+      "version": "2.36.0",
+      "resolved": "https://registry.npmjs.org/@zeit/schemas/-/schemas-2.36.0.tgz",
+      "integrity": "sha512-7kjMwcChYEzMKjeex9ZFXkt1AyNov9R5HZtjBKVsmVpw7pa7ZtlCGvCBC2vnnXctaYN+aRI61HjIqeetZW5ROg==",
+      "license": "MIT"
+    },
     "node_modules/abab": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.6.tgz",
@@ -4378,6 +4385,15 @@
         "ajv": "^6.9.1"
       }
     },
+    "node_modules/ansi-align": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-3.0.1.tgz",
+      "integrity": "sha512-IOfwwBF5iczOjp/WeY4YxyjqAFMQoZufdQWDd19SEExbVLNXqvpzSJ/M7Za4/sCPmQ0+GRquoA7bGcINcxew6w==",
+      "license": "ISC",
+      "dependencies": {
+        "string-width": "^4.1.0"
+      }
+    },
     "node_modules/ansi-escapes": {
       "version": "4.3.2",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.2.tgz",
@@ -4460,6 +4476,26 @@
         "node": ">= 8"
       }
     },
+    "node_modules/arch": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/arch/-/arch-2.2.0.tgz",
+      "integrity": "sha512-Of/R0wqp83cgHozfIYLbBMnej79U/SVGOOyuB3VVFv1NRM/PSFMK12x9KVtiYzJqmnU5WR2qp0Z5rHb7sWGnFQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/arg": {
       "version": "5.0.2",
       "resolved": "https://registry.npmjs.org/arg/-/arg-5.0.2.tgz",
@@ -5128,6 +5164,137 @@
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       "license": "ISC"
     },
+    "node_modules/boxen": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/boxen/-/boxen-7.0.0.tgz",
+      "integrity": "sha512-j//dBVuyacJbvW+tvZ9HuH03fZ46QcaKvvhZickZqtB271DxJ7SNRSNxrV/dZX0085m7hISRZWbzWlJvx/rHSg==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-align": "^3.0.1",
+        "camelcase": "^7.0.0",
+        "chalk": "^5.0.1",
+        "cli-boxes": "^3.0.0",
+        "string-width": "^5.1.2",
+        "type-fest": "^2.13.0",
+        "widest-line": "^4.0.1",
+        "wrap-ansi": "^8.0.1"
+      },
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/boxen/node_modules/ansi-regex": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.1.0.tgz",
+      "integrity": "sha512-7HSX4QQb4CspciLpVFwyRe79O3xsIZDDLER21kERQ71oaPodF8jL725AgJMFAYbooIqolJoRLuM81SpeUkpkvA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-regex?sponsor=1"
+      }
+    },
+    "node_modules/boxen/node_modules/ansi-styles": {
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-6.2.1.tgz",
+      "integrity": "sha512-bN798gFfQX+viw3R7yrGWRqnrN2oRkEkUjjl4JNn4E8GxxbjtG3FbrEIIY3l8/hrwUwIeCZvi4QuOTP4MErVug==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
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+    "node_modules/boxen/node_modules/camelcase": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-7.0.1.tgz",
+      "integrity": "sha512-xlx1yCK2Oc1APsPXDL2LdlNP6+uu8OCDdhOBSVT279M/S+y75O30C2VuD8T2ogdePBBl7PfPF4504tnLgX3zfw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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+      "version": "5.4.1",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-5.4.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": "^12.17.0 || ^14.13 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
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+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "eastasianwidth": "^0.2.0",
+        "emoji-regex": "^9.2.2",
+        "strip-ansi": "^7.0.1"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/boxen/node_modules/strip-ansi": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.1.0.tgz",
+      "integrity": "sha512-iq6eVVI64nQQTRYq2KtEg2d2uU7LElhTJwsH4YzIHZshxlgZms/wIc4VoDQTlG/IvVIrBKG06CrZnp0qv7hkcQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-regex": "^6.0.1"
+      },
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+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/strip-ansi?sponsor=1"
+      }
+    },
+    "node_modules/boxen/node_modules/type-fest": {
+      "version": "2.19.0",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-2.19.0.tgz",
+      "integrity": "sha512-RAH822pAdBgcNMAfWnCBU3CFZcfZ/i1eZjwFU/dsLKumyuuP3niueg2UAukXYF0E2AAoc82ZSSf9J0WQBinzHA==",
+      "license": "(MIT OR CC0-1.0)",
+      "engines": {
+        "node": ">=12.20"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/boxen/node_modules/wrap-ansi": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz",
+      "integrity": "sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-styles": "^6.1.0",
+        "string-width": "^5.0.1",
+        "strip-ansi": "^7.0.1"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
+      }
+    },
     "node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -5368,6 +5535,21 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
+    "node_modules/chalk-template": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/chalk-template/-/chalk-template-0.4.0.tgz",
+      "integrity": "sha512-/ghrgmhfY8RaSdeo43hNXxpoHAtxdbskUHjPpfqUWGttFgycUhYPGx3YZBCnUCvOa7Doivn1IZec3DEGFoMgLg==",
+      "license": "MIT",
+      "dependencies": {
+        "chalk": "^4.1.2"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk-template?sponsor=1"
+      }
+    },
     "node_modules/char-regex": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/char-regex/-/char-regex-1.0.2.tgz",
@@ -5470,6 +5652,35 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/cli-boxes": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/cli-boxes/-/cli-boxes-3.0.0.tgz",
+      "integrity": "sha512-/lzGpEWL/8PfI0BmBOPRwp0c/wFNX1RdUML3jK/RcSBA9T8mZDdQpqYBKtCFTOfQbwPqWEOpjqW+Fnayc0969g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/clipboardy": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/clipboardy/-/clipboardy-3.0.0.tgz",
+      "integrity": "sha512-Su+uU5sr1jkUy1sGRpLKjKrvEOVXgSgiSInwa/qeID6aJ07yh+5NWc3h2QfjHjBnfX4LhtFcuAWKUsJ3r+fjbg==",
+      "license": "MIT",
+      "dependencies": {
+        "arch": "^2.2.0",
+        "execa": "^5.1.1",
+        "is-wsl": "^2.2.0"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/cliui": {
       "version": "7.0.4",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
@@ -6314,6 +6525,15 @@
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       "license": "MIT"
     },
+    "node_modules/deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
     "node_modules/deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -9387,6 +9607,18 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/is-port-reachable": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/is-port-reachable/-/is-port-reachable-4.0.0.tgz",
+      "integrity": "sha512-9UoipoxYmSk6Xy7QFgRv2HDyaysmgSG75TFQs6S+3pDM7ZhKTF/bskZV+0UlABHzKjNVhPjYCLfeZUEg1wXxig==",
+      "license": "MIT",
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/is-potential-custom-element-name": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/is-potential-custom-element-name/-/is-potential-custom-element-name-1.0.1.tgz",
@@ -11808,6 +12040,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/path-is-inside": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/path-is-inside/-/path-is-inside-1.0.2.tgz",
+      "integrity": "sha512-DUWJr3+ULp4zXmol/SZkFf3JGsS9/SIv+Y3Rt93/UjPpDpklB5f1er4O3POIbUuUJ3FXgqte2Q7SrU6zAqwk8w==",
+      "license": "(WTFPL OR MIT)"
+    },
     "node_modules/path-key": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
@@ -13541,6 +13779,30 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/rc": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
+      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+      "license": "(BSD-2-Clause OR MIT OR Apache-2.0)",
+      "dependencies": {
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      },
+      "bin": {
+        "rc": "cli.js"
+      }
+    },
+    "node_modules/rc/node_modules/strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/react": {
       "version": "19.0.0",
       "resolved": "https://registry.npmjs.org/react/-/react-19.0.0.tgz",
@@ -13929,6 +14191,28 @@
         "node": ">=4"
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/serve-handler/node_modules/content-disposition": {
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+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
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+      "license": "MIT",
+      "engines": {
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+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
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+      "license": "MIT",
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+      "engines": {
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+      "license": "MIT",
+      "engines": {
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       "resolved": "https://registry.npmjs.org/serve-index/-/serve-index-1.9.1.tgz",
@@ -14613,6 +14991,88 @@
         "node": ">= 0.8.0"
       }
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+    "node_modules/serve/node_modules/ajv": {
+      "version": "8.12.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.12.0.tgz",
+      "integrity": "sha512-sRu1kpcO9yLtYxBKvqfTeh9KzZEwO3STyX1HT+4CaDzC6HpTGYhIhPIzj9XuKU7KYDwnaeh5hcOwjy1QuJzBPA==",
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+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "json-schema-traverse": "^1.0.0",
+        "require-from-string": "^2.0.2",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/serve/node_modules/bytes": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
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+      "license": "MIT",
+      "engines": {
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+    },
+    "node_modules/serve/node_modules/chalk": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-5.0.1.tgz",
+      "integrity": "sha512-Fo07WOYGqMfCWHOzSXOt2CxDbC6skS/jO9ynEcmpANMoPrD+W1r1K6Vx7iNm+AQmETU1Xr2t+n8nzkV9t6xh3w==",
+      "license": "MIT",
+      "engines": {
+        "node": "^12.17.0 || ^14.13 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
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+    "node_modules/serve/node_modules/compression": {
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+      "resolved": "https://registry.npmjs.org/compression/-/compression-1.7.4.tgz",
+      "integrity": "sha512-jaSIDzP9pZVS4ZfQ+TzvtiWhdpFhE2RDHz8QJkpX9SIpLq88VueF5jJw6t+6CUQcAoA6t+x89MLrWAqpfDE8iQ==",
+      "license": "MIT",
+      "dependencies": {
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+        "bytes": "3.0.0",
+        "compressible": "~2.0.16",
+        "debug": "2.6.9",
+        "on-headers": "~1.0.2",
+        "safe-buffer": "5.1.2",
+        "vary": "~1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/serve/node_modules/debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/serve/node_modules/json-schema-traverse": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
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+      "license": "MIT"
+    },
+    "node_modules/serve/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
+      "license": "MIT"
+    },
+    "node_modules/serve/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "license": "MIT"
+    },
     "node_modules/set-function-length": {
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       "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
@@ -16268,6 +16728,16 @@
         "browserslist": ">= 4.21.0"
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+    "node_modules/update-check": {
+      "version": "1.5.4",
+      "resolved": "https://registry.npmjs.org/update-check/-/update-check-1.5.4.tgz",
+      "integrity": "sha512-5YHsflzHP4t1G+8WGPlvKbJEbAJGCgw+Em+dGR1KmBUbr1J36SJBqlHLjR7oob7sco5hWHGQVcr9B2poIVDDTQ==",
+      "license": "MIT",
+      "dependencies": {
+        "registry-auth-token": "3.3.2",
+        "registry-url": "3.1.0"
+      }
+    },
     "node_modules/uri-js": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
@@ -16835,6 +17305,65 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/widest-line": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-4.0.1.tgz",
+      "integrity": "sha512-o0cyEG0e8GPzT4iGHphIOh0cJOV8fivsXxddQasHPHfoZf1ZexrfeA21w2NaEN1RHE+fXlfISmOE8R9N3u3Qig==",
+      "license": "MIT",
+      "dependencies": {
+        "string-width": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/widest-line/node_modules/ansi-regex": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.1.0.tgz",
+      "integrity": "sha512-7HSX4QQb4CspciLpVFwyRe79O3xsIZDDLER21kERQ71oaPodF8jL725AgJMFAYbooIqolJoRLuM81SpeUkpkvA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-regex?sponsor=1"
+      }
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+    "node_modules/widest-line/node_modules/string-width": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+        "emoji-regex": "^9.2.2",
+        "strip-ansi": "^7.0.1"
+      },
+      "engines": {
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+      "funding": {
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+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.1.0.tgz",
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+      "license": "MIT",
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+      "funding": {
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package.json

@@ -6,7 +6,8 @@
     "cra-template": "1.2.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
-    "react-scripts": "5.0.1"
+    "react-scripts": "5.0.1",
+    "serve": "^14.2.4"
   },
   "scripts": {
     "start": "react-scripts start",