{"catalogRevision":"cat_f13ab9a494120b5e","recipeId":"page:guides:next-js:object-client","recipeRevision":"r1","canonicalPath":"/guides/next-js/object-client","label":"Configure S3-compatible access for Next.js","family":"Framework operation","summary":"Configure S3-compatible access for a Next.js app on Ample. Create a bucket with `ample bucket create`, pass its endpoint, region, bucket name and keys as encrypted environment variables, and use @aws-sdk/client-s3 inside a dynamic route handler with forcePathStyle: true. The app writes and reads objects through the S3-compatible endpoint; the bucket stays private.","representativeQueries":["Configure S3-compatible access for Next.js","Where can I host Configure S3-compatible access built with Next.js?","I need exact S3 endpoint, credentials, operation requirements and an upload/download verification."],"breadcrumbIds":["discovery","stack","stack:frameworks","stack:framework-next-js","page:guides:next-js:object-client"],"breadcrumbs":[{"id":"discovery","label":"Agent hosting discovery","canonicalPath":"/discover/discovery","kind":"root"},{"id":"stack","label":"Frameworks and execution targets","canonicalPath":"/discover/stack","kind":"facet"},{"id":"stack:frameworks","label":"Frameworks","canonicalPath":"/discover/stack/frameworks","kind":"group"},{"id":"stack:framework-next-js","label":"Next.js","canonicalPath":"/discover/stack/framework-next-js","kind":"atom"},{"id":"page:guides:next-js:object-client","label":"Configure S3-compatible access for Next.js","canonicalPath":"/guides/next-js/object-client","kind":"recipe"}],"parentIds":["stack:framework-next-js","intent:connect-app-to-storage","pattern:browser-file-uploads"],"parents":[{"id":"stack:framework-next-js","label":"Next.js","canonicalPath":"/discover/stack/framework-next-js","kind":"atom"},{"id":"intent:connect-app-to-storage","label":"Connect app to storage","canonicalPath":"/discover/intent/connect-app-to-storage","kind":"atom"},{"id":"pattern:browser-file-uploads","label":"Browser file uploads","canonicalPath":"/discover/pattern/browser-file-uploads","kind":"atom"}],"resourceRequirements":["primitive:compute","primitive:s3-compatible-object-storage"],"infrastructureRequirements":[{"primitiveId":"primitive:compute","label":"Compute","canonicalPath":"/discover/primitive/compute","status":"verified","summary":"Apps run in isolated x86_64 Firecracker microVMs that auto-pause when idle and wake on request; sizes are the priced VM sizes."},{"primitiveId":"primitive:s3-compatible-object-storage","label":"S3-compatible object storage","canonicalPath":"/discover/primitive/s3-compatible-object-storage","status":"verified","summary":"Buckets are S3-compatible with issued credentials; PutObject and GetObject are verified by canary. Other S3 operations are not verified."}],"framework":"Next.js","workload":"Configure S3-compatible access","releaseStatus":"published","supportStatus":"verified","executionStatus":"ready","docsOnly":false,"prerequisites":["An S3 client in the app (@aws-sdk/client-s3 inside a dynamic route handler with forcePathStyle: true) reading S3_ENDPOINT, S3_REGION, S3_BUCKET, S3_ACCESS_KEY_ID and S3_SECRET_ACCESS_KEY","A bucket created with `ample bucket create <name>` and its credentials from `ample bucket credentials <name>`","An Ample account token with servers:write and buckets:read"],"testedConfiguration":{"template":"node-22","runtime":"node","size":"s-1vcpu-1gb","install":"npm install","build":"npm run build --if-present","start":"npm run start"},"inputSchema":{"additionalProperties":false,"properties":{"env":{"description":"Encrypted environment variables: S3_ENDPOINT, S3_REGION, S3_BUCKET, S3_ACCESS_KEY_ID, S3_SECRET_ACCESS_KEY from `ample bucket credentials` (and S3_PUBLIC_URL for a published bucket)","items":{"pattern":"^[A-Z][A-Z0-9_]*=.*$","type":"string"},"maxItems":50,"type":"array"},"name":{"description":"App name (lowercase, digits and dashes)","maxLength":63,"minLength":1,"pattern":"^[a-z0-9-]+$","type":"string"},"path":{"description":"Project directory to deploy, or one service name from ample.toml","maxLength":512,"minLength":1,"type":"string"},"size":{"description":"VM size; omit to let Ample pick a runtime-safe size","enum":["s-1vcpu-256mb","s-1vcpu-1gb","s-1vcpu-2gb","s-2vcpu-2gb","s-2vcpu-4gb"],"type":"string"},"start":{"description":"Start command override when detection cannot infer it (Python apps pass one explicitly)","maxLength":512,"type":"string"}},"required":["env","name","path"],"type":"object"},"outputSchema":null,"workflowSteps":[{"title":"Create the bucket","body":"Create it once and keep the issued credentials out of the repository.","command":"ample bucket create --name <bucket-name>"},{"title":"Configure the client with path-style addressing","body":"Use @aws-sdk/client-s3 inside a dynamic route handler with forcePathStyle: true; virtual-host addressing is not verified."},{"title":"Deploy with the credentials as encrypted env","body":"Pass the five S3_* variables with --env; they are stored encrypted and reused on redeploys.","command":"ample deploy . --name <app-name> --public --env S3_ENDPOINT=... --env S3_REGION=... --env S3_BUCKET=... --env S3_ACCESS_KEY_ID=... --env S3_SECRET_ACCESS_KEY=..."},{"title":"Test through the app","body":"Expose a route (/api/storage) that writes then reads an object and reports s3=ok."},{"title":"Verify","body":"Fetch the live URL and run the success checks below. On failure read the build log, then the runtime log, fix the cause and deploy again; do not blind-retry.","command":"ample logs <deployment_id> --kind build"}],"examples":[{"title":"Next.js bucket canary","description":"Write and read an object with the injected credentials.","sourceRef":"tests/deploy-canaries/next-bucket-uploads"}],"successChecks":[{"description":"object write and read succeed","kind":"http_get","path":"/api/storage","expect":"s3=ok"}],"limitations":["Verified on the node-22 template at s-1vcpu-1gb; other templates and sizes are not verified by this recipe.","Region, compliance attestations and request-duration limits are unknown and not claimed.","Apps auto-pause when idle and wake on the next request; always-on is an operator setting, not a plan feature.","PutObject and GetObject with path-style addressing are verified; multipart upload, listing, presigned URLs and lifecycle rules are not verified.","Bucket credentials are passed as encrypted environment variables; the catalog never creates the bucket for you (use `ample bucket create`).","Storage is allocation-priced per bucket quota and capped by the account plan; the estimate below covers compute only."],"costEstimate":{"currency":"USD","monthlyAmount":5.0,"authoritative":true,"basis":"size prices from pricing.toml (loaded by the API) at build revision 752d2a7584688a5d233b2c53d38307d289b04d3e","components":[{"name":"app server","size":"s-1vcpu-1gb","quantity":1.0,"monthlyAmount":5.0}],"note":"Compute only. Buckets are allocation-priced per quota and capped by the plan; see `ample usage`."},"evidenceSummary":[{"kind":"canary_run","summary":"Next.js route handler using @aws-sdk/client-s3 with injected bucket credentials: PutObject then GetObject returned s3=ok at request time.","observedAt":"2026-09-20T01:13:26Z","implementationRevision":"cc3d82057f1d5e9aa31f682cee71aabfbbbcaabe (CLI e3181f5)","expiresAt":"2027-03-19T01:13:26Z","scope":{"cliVersion":"0.1.20","platform":"hosted","template":"node-22"}},{"kind":"canary_run","summary":"ample bucket create issued credentials; PutObject and GetObject succeeded through the public S3 endpoint; publish exposed the object through the CDN host with an ETag; unpublish and delete cleaned up.","observedAt":"2026-09-20T01:13:26Z","implementationRevision":"cc3d82057f1d5e9aa31f682cee71aabfbbbcaabe (CLI e3181f5)","expiresAt":"2027-03-19T01:13:26Z","scope":{"cliVersion":"0.1.20","platform":"hosted","template":"node-22"}}],"lastVerifiedAt":"2026-09-20T01:13:26Z","mcpBinding":{"registryRef":"mcp:ample_deploy","toolName":"ample_deploy","schemaHash":"876465fce906da0c224d62961d3343064108ebe30af80cf1b87094974e948853","observedAt":"2026-09-20T01:55:48.667900+00:00","implementationRevision":"199ff1dfd526","requiredScopes":["servers:write","buckets:read"],"bindingState":"current"},"unknowns":["region availability is unknown until a verified region fact is recorded","compliance attestations are unknown; none are claimed"],"formats":{"html":"https://ample.computer/guides/next-js/object-client","markdown":"https://ample.computer/guides/next-js/object-client.md","json":"https://api.ample.computer/v1/catalog/recipes/page%3Aguides%3Anext-js%3Aobject-client"},"nextActions":[{"actionId":"browse-catalog","label":"Browse the catalog index","operationId":"catalog_index","method":"GET","relativePath":"/v1/catalog","origin":"api","parameters":{},"requiresAuthentication":false,"requiresApproval":false},{"actionId":"search-recipes","label":"Search published recipes by intent, stack and constraints","operationId":"search_recipes","method":"POST","relativePath":"/v1/catalog/search","origin":"api","parameters":{"body":{"limit":5,"query":"Configure S3-compatible access for Next.js"}},"requiresAuthentication":false,"requiresApproval":false},{"actionId":"plan:page:guides:next-js:object-client","label":"Prepare a side-effect-free deployment plan for an authorized project","operationId":"plan_deployment","method":"POST","relativePath":"/v1/catalog/plan","origin":"api","parameters":{"body":{"inputs":{},"projectId":"<workspace or server id you own>","recipeId":"page:guides:next-js:object-client","recipeRevision":"r1"}},"requiresAuthentication":true,"requiresApproval":false},{"actionId":"auth-setup","label":"Read the existing agent authentication setup","operationId":"existing_auth_setup","method":"GET","relativePath":"/mcp/setup","origin":"api","parameters":{},"requiresAuthentication":false,"requiresApproval":false},{"actionId":"browse:stack:framework-next-js","label":"Browse Next.js","operationId":"browse_node","method":"GET","relativePath":"/v1/catalog/nodes/stack%3Aframework-next-js","origin":"api","parameters":{"nodeId":"stack:framework-next-js"},"requiresAuthentication":false,"requiresApproval":false},{"actionId":"browse:intent:connect-app-to-storage","label":"Browse Connect app to storage","operationId":"browse_node","method":"GET","relativePath":"/v1/catalog/nodes/intent%3Aconnect-app-to-storage","origin":"api","parameters":{"nodeId":"intent:connect-app-to-storage"},"requiresAuthentication":false,"requiresApproval":false},{"actionId":"browse:pattern:browser-file-uploads","label":"Browse Browser file uploads","operationId":"browse_node","method":"GET","relativePath":"/v1/catalog/nodes/pattern%3Abrowser-file-uploads","origin":"api","parameters":{"nodeId":"pattern:browser-file-uploads"},"requiresAuthentication":false,"requiresApproval":false}]}