Build modified streamline images

The official image from streamline does not currently work for the arm64
platform. As a temporary measure, the source code and docker build scripts
have been lifted from the official images and are used to build locally.

Some additional modifications are made to reduce overall image size, these
are documented in docker/README.md

docker/streamline-src/vendor/psr/http-factory/LICENSE

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+MIT License
+
+Copyright (c) 2018 PHP-FIG
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

docker/streamline-src/vendor/psr/http-factory/README.md

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+HTTP Factories
+==============
+
+This repository holds all interfaces related to [PSR-17 (HTTP Factories)][psr-url].
+
+Note that this is not a HTTP Factory implementation of its own. It is merely interfaces that describe the components of a HTTP Factory.
+
+The installable [package][package-url] and [implementations][implementation-url] are listed on Packagist.
+
+[psr-url]: https://www.php-fig.org/psr/psr-17/
+[package-url]: https://packagist.org/packages/psr/http-factory
+[implementation-url]: https://packagist.org/providers/psr/http-factory-implementation

docker/streamline-src/vendor/psr/http-factory/composer.json

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+{
+    "name": "psr/http-factory",
+    "description": "Common interfaces for PSR-7 HTTP message factories",
+    "keywords": [
+        "psr",
+        "psr-7",
+        "psr-17",
+        "http",
+        "factory",
+        "message",
+        "request",
+        "response"
+    ],
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "PHP-FIG",
+            "homepage": "https://www.php-fig.org/"
+        }
+    ],
+    "require": {
+        "php": ">=7.0.0",
+        "psr/http-message": "^1.0 || ^2.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Psr\\Http\\Message\\": "src/"
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
+    }
+}

docker/streamline-src/vendor/psr/http-factory/src/RequestFactoryInterface.php

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+<?php
+
+namespace Psr\Http\Message;
+
+interface RequestFactoryInterface
+{
+    /**
+     * Create a new request.
+     *
+     * @param string $method The HTTP method associated with the request.
+     * @param UriInterface|string $uri The URI associated with the request. If
+     *     the value is a string, the factory MUST create a UriInterface
+     *     instance based on it.
+     *
+     * @return RequestInterface
+     */
+    public function createRequest(string $method, $uri): RequestInterface;
+}

docker/streamline-src/vendor/psr/http-factory/src/ResponseFactoryInterface.php

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+<?php
+
+namespace Psr\Http\Message;
+
+interface ResponseFactoryInterface
+{
+    /**
+     * Create a new response.
+     *
+     * @param int $code HTTP status code; defaults to 200
+     * @param string $reasonPhrase Reason phrase to associate with status code
+     *     in generated response; if none is provided implementations MAY use
+     *     the defaults as suggested in the HTTP specification.
+     *
+     * @return ResponseInterface
+     */
+    public function createResponse(int $code = 200, string $reasonPhrase = ''): ResponseInterface;
+}

docker/streamline-src/vendor/psr/http-factory/src/ServerRequestFactoryInterface.php

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+<?php
+
+namespace Psr\Http\Message;
+
+interface ServerRequestFactoryInterface
+{
+    /**
+     * Create a new server request.
+     *
+     * Note that server-params are taken precisely as given - no parsing/processing
+     * of the given values is performed, and, in particular, no attempt is made to
+     * determine the HTTP method or URI, which must be provided explicitly.
+     *
+     * @param string $method The HTTP method associated with the request.
+     * @param UriInterface|string $uri The URI associated with the request. If
+     *     the value is a string, the factory MUST create a UriInterface
+     *     instance based on it.
+     * @param array $serverParams Array of SAPI parameters with which to seed
+     *     the generated request instance.
+     *
+     * @return ServerRequestInterface
+     */
+    public function createServerRequest(string $method, $uri, array $serverParams = []): ServerRequestInterface;
+}

docker/streamline-src/vendor/psr/http-factory/src/StreamFactoryInterface.php

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+<?php
+
+namespace Psr\Http\Message;
+
+interface StreamFactoryInterface
+{
+    /**
+     * Create a new stream from a string.
+     *
+     * The stream SHOULD be created with a temporary resource.
+     *
+     * @param string $content String content with which to populate the stream.
+     *
+     * @return StreamInterface
+     */
+    public function createStream(string $content = ''): StreamInterface;
+
+    /**
+     * Create a stream from an existing file.
+     *
+     * The file MUST be opened using the given mode, which may be any mode
+     * supported by the `fopen` function.
+     *
+     * The `$filename` MAY be any string supported by `fopen()`.
+     *
+     * @param string $filename Filename or stream URI to use as basis of stream.
+     * @param string $mode Mode with which to open the underlying filename/stream.
+     *
+     * @return StreamInterface
+     * @throws \RuntimeException If the file cannot be opened.
+     * @throws \InvalidArgumentException If the mode is invalid.
+     */
+    public function createStreamFromFile(string $filename, string $mode = 'r'): StreamInterface;
+
+    /**
+     * Create a new stream from an existing resource.
+     *
+     * The stream MUST be readable and may be writable.
+     *
+     * @param resource $resource PHP resource to use as basis of stream.
+     *
+     * @return StreamInterface
+     */
+    public function createStreamFromResource($resource): StreamInterface;
+}

docker/streamline-src/vendor/psr/http-factory/src/UploadedFileFactoryInterface.php

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+<?php
+
+namespace Psr\Http\Message;
+
+interface UploadedFileFactoryInterface
+{
+    /**
+     * Create a new uploaded file.
+     *
+     * If a size is not provided it will be determined by checking the size of
+     * the file.
+     *
+     * @see http://php.net/manual/features.file-upload.post-method.php
+     * @see http://php.net/manual/features.file-upload.errors.php
+     *
+     * @param StreamInterface $stream Underlying stream representing the
+     *     uploaded file content.
+     * @param int $size in bytes
+     * @param int $error PHP file upload error
+     * @param string $clientFilename Filename as provided by the client, if any.
+     * @param string $clientMediaType Media type as provided by the client, if any.
+     *
+     * @return UploadedFileInterface
+     *
+     * @throws \InvalidArgumentException If the file resource is not readable.
+     */
+    public function createUploadedFile(
+        StreamInterface $stream,
+        int $size = null,
+        int $error = \UPLOAD_ERR_OK,
+        string $clientFilename = null,
+        string $clientMediaType = null
+    ): UploadedFileInterface;
+}

docker/streamline-src/vendor/psr/http-factory/src/UriFactoryInterface.php

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+<?php
+
+namespace Psr\Http\Message;
+
+interface UriFactoryInterface
+{
+    /**
+     * Create a new URI.
+     *
+     * @param string $uri
+     *
+     * @return UriInterface
+     *
+     * @throws \InvalidArgumentException If the given URI cannot be parsed.
+     */
+    public function createUri(string $uri = ''): UriInterface;
+}