Я розповім більше про образи контейнерів, Docker, Kubernetes тощо в майбутньому розділі: [FastAPI у контейнерах - Docker](docker.md).

///

## Попередні кроки перед стартом { #previous-steps-before-starting }

Є багато випадків, коли потрібно виконати деякі кроки **перед стартом** вашого застосунку.

Наприклад, ви можете захотіти запустити **міграції бази даних**.

      this.key = key;
      KeyList<K, V> keyList = keyToKeyList.get(key);
      next = (keyList == null) ? null : keyList.head;
    }

    /**
     * Constructs a new iterator over all values for the specified key starting at the specified
     * index. This constructor is optimized so that it starts at either the head or the tail,
     * depending on which is closer to the specified index. This allows adds to the tail to be done

         */
        protected boolean nextPage;
        /**
         * Indicates if there is a previous page of search results.
         */
        protected boolean prevPage;
        /**
         * The starting record number for the current page of search results.
         */
        protected long startRecordNumber;
        /**
         * The ending record number for the current page of search results.
         */

     * @param requestedTime The time the search was requested.
     * @param queryId The ID of the search query.
     * @param query The search query.
     * @param pageStart The starting page number.
     * @param pageSize The size of the page.
     * @param queryResponseList The list of query responses.
     */

	return &limitedReadCloser{
		LimitedReader: io.LimitedReader{R: r, N: n},
		Closer:        r,
	}
}

// ObjectSegmentReaderFn is a function that returns a reader for a contiguous
// suffix segment of an object starting at the given (non-negative) offset.
type ObjectSegmentReaderFn func(offset int64) (io.ReadCloser, error)

// ObjectReadSeekCloser implements ReadSeekCloser interface for reading objects.

// operations, such as bitrot verification or data usage scanning.
// Every 10 seconds a space character is sent.
// keepHTTPReqResponseAlive will wait for the returned body to be read before starting the ticker.
// The returned function should always be called to release resources.
// An optional error can be sent which will be picked as text only error,
// without its original type by the receiver.

nly|consoleAdmin|diagnostics] ## you can define additional policies with custom supported actions and resources policies: [] ## writeexamplepolicy policy grants creation or deletion of buckets with name ## starting with example. In addition, grants objects write permissions on buckets starting with ## example. # - name: writeexamplepolicy # statements: # - resources: # - 'arn:aws:s3:::example*/*' # actions: # - "s3:AbortMultipartUpload" # - "s3:GetObject" # - "s3:DeleteObject" # - "s3:PutObject"...

nly|consoleAdmin|diagnostics] ## you can define additional policies with custom supported actions and resources policies: [] ## writeexamplepolicy policy grants creation or deletion of buckets with name ## starting with example. In addition, grants objects write permissions on buckets starting with ## example. # - name: writeexamplepolicy # statements: # - resources: # - 'arn:aws:s3:::example*/*' # actions: # - "s3:AbortMultipartUpload" # - "s3:GetObject" # - "s3:DeleteObject" # - "s3:PutObject"...

nly|consoleAdmin|diagnostics] ## you can define additional policies with custom supported actions and resources policies: [] ## writeexamplepolicy policy grants creation or deletion of buckets with name ## starting with example. In addition, grants objects write permissions on buckets starting with ## example. # - name: writeexamplepolicy # statements: # - resources: # - 'arn:aws:s3:::example*/*' # actions: # - "s3:AbortMultipartUpload" # - "s3:GetObject" # - "s3:DeleteObject" # - "s3:PutObject"...

nly|consoleAdmin|diagnostics] ## you can define additional policies with custom supported actions and resources policies: [] ## writeexamplepolicy policy grants creation or deletion of buckets with name ## starting with example. In addition, grants objects write permissions on buckets starting with ## example. # - name: writeexamplepolicy # statements: # - resources: # - 'arn:aws:s3:::example*/*' # actions: # - "s3:AbortMultipartUpload" # - "s3:GetObject" # - "s3:DeleteObject" # - "s3:PutObject"...