diff --git a/frontend/pages/applications/[slug].vue b/frontend/pages/applications/[slug].vue
index 1ca25c8..5192fae 100644
--- a/frontend/pages/applications/[slug].vue
+++ b/frontend/pages/applications/[slug].vue
@@ -2,6 +2,8 @@
 import type { Application, ApplicationWrite, Environment, EnvironmentWrite } from '~/services/dto/application'
 import { getApplication, updateApplication, deleteApplication } from '~/services/applications'
 import { createEnvironment, updateEnvironment, deleteEnvironment, toggleMaintenance } from '~/services/environments'
+import type { DeployResult } from '~/services/dto/deploy'
+import { getAvailableTags, deploy } from '~/services/deploy'
 
 const { t } = useI18n()
 const route = useRoute()
@@ -12,6 +14,15 @@ const application = ref<Application | null>(null)
 const loading = ref(true)
 const pendingMaintenanceByEnvId = ref<Record<number, boolean>>({})
 
+// Deploy modal
+const showDeployModal = ref(false)
+const deployEnvId = ref<number | null>(null)
+const deployTags = ref<string[]>([])
+const selectedTag = ref('')
+const loadingTags = ref(false)
+const isDeploying = ref(false)
+const deployResult = ref<DeployResult | null>(null)
+
 // App edit modal
 const showAppModal = ref(false)
 const editForm = ref<ApplicationWrite>({ name: '', slug: '', registryImage: '', description: '', giteaUrl: '' })
@@ -131,6 +142,43 @@ function removeLogFile(index: number) {
     envForm.value.logFiles.splice(index, 1)
 }
 
+async function openDeployModal(env: Environment) {
+    deployEnvId.value = env.id!
+    selectedTag.value = ''
+    deployResult.value = null
+    deployTags.value = []
+    showDeployModal.value = true
+    loadingTags.value = true
+    try {
+        const response = await getAvailableTags(slug)
+        deployTags.value = response.tags ?? []
+        if (deployTags.value.length > 0) {
+            selectedTag.value = deployTags.value[0]
+        }
+    } finally {
+        loadingTags.value = false
+    }
+}
+
+async function handleDeploy() {
+    if (!deployEnvId.value || !selectedTag.value) return
+    isDeploying.value = true
+    deployResult.value = null
+    try {
+        deployResult.value = await deploy(deployEnvId.value, selectedTag.value)
+        if (deployResult.value.success) {
+            await loadApplication()
+        }
+    } finally {
+        isDeploying.value = false
+    }
+}
+
+function closeDeployModal() {
+    showDeployModal.value = false
+    deployResult.value = null
+}
+
 const envModalTitle = computed(() =>
     editingEnvId.value ? t('environments.editButton') : t('environments.addButton')
 )
@@ -236,6 +284,12 @@ onMounted(loadApplication)
                             </a>
                         </div>
                         <div class="flex gap-2">
+                            <MalioButton
+                                :label="t('environments.deploy.button')"
+                                icon-name="mdi:rocket-launch-outline"
+                                icon-position="left"
+                                @click="openDeployModal(env)"
+                            />
                             <MalioButton
                                 :label="pendingMaintenanceByEnvId[env.id!]
                                     ? t('environments.maintenance.pending')
@@ -383,5 +437,83 @@ onMounted(loadApplication)
                 </div>
             </form>
         </AppModal>
+
+        <!-- Deploy modal -->
+        <AppModal
+            v-model="showDeployModal"
+            :submit-label="isDeploying ? t('environments.deploy.deploying') : t('environments.deploy.confirm')"
+            :cancel-label="t('applications.form.cancel')"
+            :loading="isDeploying"
+            max-width="xl"
+            @submit="handleDeploy"
+            @update:model-value="!$event && closeDeployModal()"
+        >
+            <template #title>{{ t('environments.deploy.title') }}</template>
+
+            <!-- Tag selection -->
+            <div v-if="!deployResult">
+                <div v-if="loadingTags" class="py-8 text-center text-neutral-400">
+                    <Icon name="mdi:loading" size="24" class="animate-spin" />
+                    <p class="mt-2 text-sm">{{ t('environments.deploy.loadingTags') }}</p>
+                </div>
+
+                <div v-else-if="deployTags.length === 0" class="py-8 text-center text-neutral-400">
+                    <Icon name="mdi:package-variant" size="32" />
+                    <p class="mt-2 text-sm">{{ t('environments.deploy.noTags') }}</p>
+                </div>
+
+                <div v-else>
+                    <label class="mb-1 block text-sm font-medium text-neutral-700">
+                        {{ t('environments.deploy.selectTag') }}
+                    </label>
+                    <select
+                        v-model="selectedTag"
+                        class="w-full rounded-md border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500"
+                    >
+                        <option v-for="tag in deployTags" :key="tag" :value="tag">
+                            {{ tag }}
+                        </option>
+                    </select>
+                </div>
+            </div>
+
+            <!-- Deploy result -->
+            <div v-else>
+                <div
+                    class="mb-4 flex items-center gap-2 rounded-lg px-4 py-3"
+                    :class="deployResult.success
+                        ? 'bg-green-50 text-green-700'
+                        : 'bg-red-50 text-red-700'"
+                >
+                    <Icon
+                        :name="deployResult.success ? 'mdi:check-circle' : 'mdi:alert-circle'"
+                        size="20"
+                    />
+                    <span class="text-sm font-semibold">
+                        {{ deployResult.success
+                            ? t('environments.deploy.success')
+                            : t('environments.deploy.error')
+                        }}
+                    </span>
+                    <span class="ml-auto text-xs font-mono">{{ deployResult.tag }}</span>
+                </div>
+
+                <div>
+                    <p class="mb-2 text-xs font-semibold uppercase tracking-wider text-neutral-400">
+                        {{ t('environments.deploy.output') }}
+                    </p>
+                    <pre class="max-h-80 overflow-auto rounded-lg bg-neutral-900 p-4 text-xs text-green-400 font-mono whitespace-pre-wrap">{{ deployResult.output }}</pre>
+                </div>
+            </div>
+
+            <!-- Override footer when showing result -->
+            <template v-if="deployResult" #footer>
+                <MalioButton
+                    :label="t('applications.form.cancel')"
+                    variant="tertiary"
+                    @click="closeDeployModal"
+                />
+            </template>
+        </AppModal>
     </div>
 </template>