diff --git a/README.md b/README.md
index 88632a0bf..755a00e6a 100644
--- a/README.md
+++ b/README.md
@@ -35,11 +35,11 @@ These steps are provided for development purposes only.
    ```
 3. Start the web server:
    ```bash
-   symfony serve
+   symfony serve -d
    ```
 4. Start MySQL & Redis:
    ```bash
-   docker-compose up -d # or somehow run MySQL & Redis on localhost without docker
+   docker compose up -d # or somehow run MySQL & Redis on localhost without docker
    ```
 5. Create 2 databases:
     - `packagist` - for the web app
diff --git a/src/Entity/Package.php b/src/Entity/Package.php
index a01255b4b..ffa06024b 100644
--- a/src/Entity/Package.php
+++ b/src/Entity/Package.php
@@ -687,6 +687,21 @@ public function getType(): string|null
         return $this->type;
     }
 
+    public function getInstallCommand(Version $version = null): string
+    {
+        $command = 'create-project';
+
+        if ('project' !== $this->getType()) {
+            $command = 'require';
+
+            if (null !== $version && $version->hasDevTag()) {
+                $command .= ' --dev';
+            }
+        }
+
+        return sprintf('composer %s %s', $command, $this->getName());
+    }
+
     public function setRemoteId(string|null $remoteId): void
     {
         $this->remoteId = $remoteId;
diff --git a/src/Entity/Tag.php b/src/Entity/Tag.php
index a090d98f3..1b0d4ed5e 100644
--- a/src/Entity/Tag.php
+++ b/src/Entity/Tag.php
@@ -86,6 +86,12 @@ public function getName(): string
         return $this->name;
     }
 
+    public function isDev(): bool
+    {
+        // see Composer\Command\RequireCommand
+        return in_array(strtolower($this->name), ['dev', 'testing', 'static analysis'], true);
+    }
+
     public function addVersions(Version $versions): void
     {
         $this->versions[] = $versions;
diff --git a/src/Entity/Version.php b/src/Entity/Version.php
index c76d86624..ccd59acb8 100644
--- a/src/Entity/Version.php
+++ b/src/Entity/Version.php
@@ -635,6 +635,17 @@ public function getTags(): Collection
         return $this->tags;
     }
 
+    public function hasDevTag(): bool
+    {
+        foreach ($this->getTags() as $tag) {
+            if ($tag->isDev()) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     public function setUpdatedAt(DateTimeInterface $updatedAt): void
     {
         $this->updatedAt = $updatedAt;
diff --git a/templates/package/view_package.html.twig b/templates/package/view_package.html.twig
index f7aea720c..5a740392f 100644
--- a/templates/package/view_package.html.twig
+++ b/templates/package/view_package.html.twig
@@ -46,7 +46,7 @@
 
             <div class="row">
                 <div class="col-md-8">
-                    <p class="requireme"><i class="glyphicon glyphicon-save"></i> <input type="text" readonly="readonly" value="composer {% if package.type == 'project' %}create-project{% else %}require{% endif %} {{ "#{package.vendor}/#{package.packageName}" }}" /></p>
+                    <p class="requireme"><i class="glyphicon glyphicon-save"></i> <input type="text" readonly="readonly" value="{{ package.installCommand(expandedVersion) }}" /></p>
 
                     {% if not package.isAutoUpdated() and is_granted('update', package) %}
                         {% if "github.com" in package.repository %}
diff --git a/tests/Entity/PackageTest.php b/tests/Entity/PackageTest.php
index ba4a06ba7..ee50453b5 100644
--- a/tests/Entity/PackageTest.php
+++ b/tests/Entity/PackageTest.php
@@ -13,6 +13,9 @@
 namespace App\Tests\Entity;
 
 use App\Entity\Package;
+use App\Entity\Tag;
+use App\Entity\Version;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 class PackageTest extends TestCase
@@ -28,4 +31,34 @@ public function testWasUpdatedInTheLast24Hours(): void
         $package->setUpdatedAt(new \DateTime('now'));
         $this->assertTrue($package->wasUpdatedInTheLast24Hours());
     }
+
+    #[DataProvider('providePackageScenarios')]
+    public function testInstallCommand(string $type, string $tag, string $expected): void
+    {
+        $version = new Version();
+        $version->addTag(new Tag($tag));
+
+        $package = new Package();
+        $package->setName('vendor/name');
+        $package->setType($type);
+
+        self::assertSame($expected, $package->getInstallCommand($version));
+    }
+
+    public static function providePackageScenarios(): array
+    {
+        return [
+            'project' => ['project', 'dev', 'composer create-project vendor/name'],
+            'library non-dev' => ['library', 'database', 'composer require vendor/name'],
+            'library dev' => ['library', 'testing', 'composer require --dev vendor/name'],
+        ];
+    }
+
+    public function testInstallCommandWithoutVersion(): void
+    {
+        $package = new Package();
+        $package->setName('vendor/name');
+
+        self::assertSame('composer require vendor/name', $package->getInstallCommand());
+    }
 }
diff --git a/tests/Entity/TagTest.php b/tests/Entity/TagTest.php
new file mode 100644
index 000000000..c924c6b89
--- /dev/null
+++ b/tests/Entity/TagTest.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Entity;
+
+use App\Entity\Tag;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
+
+final class TagTest extends TestCase
+{
+    #[DataProvider('provideValidNames')]
+    public function testIsDevWithValidNames(string $name): void
+    {
+        $tag = new Tag($name);
+
+        self::assertTrue($tag->isDev());
+    }
+
+    public static function provideValidNames(): array
+    {
+        return [
+            ['dev'],
+            ['testing'],
+            ['static analysis'],
+        ];
+    }
+
+    #[DataProvider('provideInvalidNames')]
+    public function testIsDevWithInvalidNames(string $name): void
+    {
+        $tag = new Tag($name);
+
+        self::assertFalse($tag->isDev());
+    }
+
+    public static function provideInvalidNames(): array
+    {
+        return [
+            ['orm'],
+            ['project'],
+            ['static-analysis'],
+        ];
+    }
+}
diff --git a/tests/Entity/VersionTest.php b/tests/Entity/VersionTest.php
new file mode 100644
index 000000000..320eeb450
--- /dev/null
+++ b/tests/Entity/VersionTest.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Entity;
+
+use App\Entity\Tag;
+use App\Entity\Version;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
+
+final class VersionTest extends TestCase
+{
+    #[DataProvider('provideValidDevTagSets')]
+    public function testHasDevTagWith(array $tags): void
+    {
+        $version = new Version();
+
+        foreach ($tags as $tag) {
+            $version->addTag(new Tag($tag));
+        }
+
+        self::assertTrue($version->hasDevTag());
+    }
+
+    public static function provideValidDevTagSets(): array
+    {
+        return [
+            'only dev' => [['dev']],
+            'dev first' => [['dev', 'database']],
+            'dev last' => [['database', 'dev']],
+            'dev middle' => [['orm', 'dev', 'database']],
+            'multiple' => [['dev', 'testing']],
+        ];
+    }
+    #[DataProvider('provideInvalidDevTagSets')]
+    public function testHasDevTagWithout(array $tags): void
+    {
+        $version = new Version();
+
+        foreach ($tags as $tag) {
+            $version->addTag(new Tag($tag));
+        }
+
+        self::assertFalse($version->hasDevTag());
+    }
+
+    public static function provideInvalidDevTagSets(): array
+    {
+        return [
+            'none' => [[]],
+            'one' => [['orm']],
+            'two' => [['database', 'orm']],
+            'three' => [['currency', 'database', 'clock']],
+        ];
+    }
+}