Remove references to playground and dream.as

Maintaining dream.as has become a time sink and it is often down. This
is likely due to an upstream issue in the HTTP stack, which might be
replaced soon anyway. For now, it is best not to try to run the
playground.

Closes #123.
Closes #222.

.github/workflows/docker-esy.yml

@@ -1,9 +1,9 @@
 name: docker-esy
-on:
-  push:
-    paths:
-    - 'example/z-docker-esy/**'
-    - .github/workflows/docker-esy.yml
+# on:
+#   push:
+#     paths:
+#     - 'example/z-docker-esy/**'
+#     - .github/workflows/docker-esy.yml
 
 jobs:
   deploy:

.github/workflows/docker-opam.yml

@@ -1,9 +1,9 @@
 name: docker-opam
-on:
-  push:
-    paths:
-    - 'example/z-docker-opam/**'
-    - .github/workflows/docker-opam.yml
+# on:
+#   push:
+#     paths:
+#     - 'example/z-docker-opam/**'
+#     - .github/workflows/docker-opam.yml
 
 jobs:
   deploy:

.github/workflows/systemd.yml

@@ -1,9 +1,9 @@
 name: systemd
-on:
-  push:
-    paths:
-    - 'example/z-systemd/**'
-    - .github/workflows/systemd.yml
+# on:
+#   push:
+#     paths:
+#     - 'example/z-systemd/**'
+#     - .github/workflows/systemd.yml
 
 jobs:
   deploy:

README.md

@@ -12,7 +12,6 @@ Easy-to-use, feature-complete Web framework without boilerplate.
 
 <p align="center">
   <a href="#quick-start">Quick Start</a> |
-  <a href="http://dream.as">Playground</a> |
   <a href="https://github.com/aantron/dream/tree/master/example#readme">
     Tutorial</a> |
   <a href="https://aantron.github.io/dream/">Reference</a>
@@ -110,16 +109,12 @@ into.
 
 ## Quick start
 
-Visit one of the first tutorials in the [online
-playground][2-middleware-playground], and read its
-[docs](https://github.com/aantron/dream/tree/master/example/2-middleware#files).
-You can get and build it locally with:
+You can get
+[one](https://github.com/aantron/dream/tree/master/example/2-middleware#files)
+of the first [tutorials][tutorial] and build it locally with:
 
 <pre><b>bash -c "$(curl -fsSL https://raw.githubusercontent.com/aantron/dream/master/example/quickstart.sh)"</b></pre>
 
-Most of the other [examples][tutorial] are also loaded in the playground. See
-the links on its [home page][playground].
-
 ### opam
 
 Create a project directory with an optional local switch:
@@ -148,8 +143,6 @@ dune exec ./middleware.exe
 [quickstart.sh]: https://github.com/aantron/dream/blob/master/example/quickstart.sh
 [esy]: https://esy.sh/
 [2-middleware]: https://github.com/aantron/dream/tree/master/example/2-middleware#files
-[playground]: http://dream.as
-[2-middleware-playground]: http://dream.as/2-middleware
 
 ## esy
 

docs/web/templates/index.html

@@ -130,11 +130,6 @@ <h6>Tidy Web framework for OCaml and ReasonML</h6>
         Many <a target="_blank" rel="noreferrer noopener" href="https://github.com/aantron/dream/tree/master/example#reason">
         Examples</a>, covering all kinds of scenarios.
       </li>
-      <li>
-        An online <a target="_blank" rel="noreferrer noopener" href="http://dream.as/">
-        <b>Playground</b></a>, where you can try Dream without installing
-        anything!
-      </li>
     </ul>
   </div>
 </header>

example/1-hello/README.md

@@ -24,8 +24,7 @@ browser. Your terminal probably makes the link clickable.
 </code></pre>
 
 If you go to [http://localhost:8080](http://localhost:8080), you will, of
-course, see `Good morning, world!`. You can also try it in the [Dream
-Playground](http://dream.as/1-hello).
+course, see `Good morning, world!`.
 
 <br>
 

example/2-middleware/README.md

@@ -33,8 +33,7 @@ let () =
 <br>
 
 When you run this server and visit
-[http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/2-middleware)], you get much more interesting
+[http://localhost:8080](http://localhost:8080), you get much more interesting
 (and colorful!) output:
 
 ![Dream log example](https://raw.githubusercontent.com/aantron/dream/master/docs/asset/log-sanitized.png)

example/3-router/README.md

@@ -32,9 +32,7 @@ let () =
 <br>
 
 This is also our first dynamic site! A request to `/echo/foo` gets the response
-`foo`, and a request to `/echo/bar` gets `bar`! Try it in the
-[playground](http://dream.as/3-router/echo/foo) &mdash; once the server loads,
-edit the URL in the right pane to visit `/echo/bar`.
+`foo`, and a request to `/echo/bar` gets `bar`!
 
 The syntax `:word` in a route creates a path parameter, which can be read with
 [`Dream.param`](https://aantron.github.io/dream/#val-param).

example/4-counter/README.md

@@ -4,8 +4,7 @@
 
 This example shows how easy it is to define a custom middleware,
 `count_requests`. It exposes the request count at
-[http://localhost:8080/](http://localhost:8080/)
-[[playground](http://dream.as/4-counter)], in a sort of dashboard:
+[http://localhost:8080/](http://localhost:8080/), in a sort of dashboard:
 
 ```ocaml
 let count = ref 0

example/5-promise/README.md

@@ -44,8 +44,6 @@ let () =
 <b>$ opam install --deps-only --yes .</b>
 <b>$ dune exec --root . ./promise.exe</b></code></pre>
 
-Try it in the [playground](http://dream.as/5-promise).
-
 <br>
 
 As you can see, the

example/6-echo/README.md

@@ -24,8 +24,6 @@ let () =
 <b>$ opam install --deps-only --yes .</b>
 <b>$ dune exec --root . ./echo.exe</b></code></pre>
 
-...or run it in the [playground](http://dream.as/6-echo).
-
 <br>
 
 You can test it with curl:

example/7-template/README.md

@@ -84,15 +84,11 @@ already escaped, or if it is safe for some other reason. But be careful!
 To show the danger, let's launch a **script injection (XSS) attack** against
 this tiny Web app! First, go to
 [`template.eml.ml`](https://github.com/aantron/dream/blob/master/example/7-template/template.eml.ml#L4),
-change the substitution to `<%s! param %>`, and restart the app. You can also
-make the edit in the [playground](http://dream.as/7-template/foo). Then,
-visit
+change the substitution to `<%s! param %>`, and restart the app. Then, visit
 this highly questionable URL:
 
 [http://localhost:8080/%3Cscript%3Ealert(%22Impossible!%22)%3C%2Fscript%3E](http://localhost:8080/%3Cscript%3Ealert(%22Impossible!%22)%3C%2Fscript%3E)
 
-If you are using the playground, change the host and port accordingly.
-
 This URL will cause our Web app to display an alert box, which we, as the
 developers, did not intend!
 

example/8-debug/README.md

@@ -30,11 +30,10 @@ let () =
 
 The rest of the app just adds two routes for triggering two kinds of
 failures that the debugger will detail. Visit
-[http://localhost:8080/bad](http://localhost:8080/bad)
-[[playground](http://dream.as/8-debug/bad)] to trigger a `400 Bad Request`
-response, and [http://localhost:8080/fail](http://localhost:8080/fail)
-[[playground](http://dream.as/8-debug/fail)] to trigger an exception. The
-debugger will show reports like this:
+[http://localhost:8080/bad](http://localhost:8080/bad) to trigger a
+`400 Bad Request` response, and
+[http://localhost:8080/fail](http://localhost:8080/fail) to trigger an
+exception. The debugger will show reports like this:
 
 ```
 Failure("The Web app failed!")

example/9-error/README.md

@@ -36,8 +36,6 @@ let () =
 <b>$ opam install --deps-only --yes .</b>
 <b>$ dune exec --root . ./error.exe</b></code></pre>
 
-Try it in the [playground](http://dream.as/9-error).
-
 <br>
 
 We kept the error template simple for the sake of the example, but this is

example/a-log/README.md

@@ -30,8 +30,7 @@ let () =
 
 <br>
 
-If you visit [http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/a-log)] and then
+If you visit [http://localhost:8080](http://localhost:8080) and then
 [http://localhost:8080/fail](http://localhost:8080/fail), you will find these
 messages in the log, between the others:
 

example/b-session/README.md

@@ -28,8 +28,8 @@ let () =
 
 <br>
 
-The first time you access the app [[playground](http://dream.as/b-session)], it
-“logs you in” by saving you user name in a session. The session manager,
+The first time you access the app, it “logs you in” by saving you user name in
+a session. The session manager,
 [`Dream.memory_sessions`](https://aantron.github.io/dream/#val-memory_sessions),
 a middleware, adds a `dream.session` cookie to the response, containing the
 session key. The next time you access the app, the session is looked up again

example/c-cookie/README.md

@@ -29,10 +29,9 @@ let () =
 
 <br>
 
-The first time you access this app [[playground](http://dream.as/c-cookie)], it
-sets up a language preference, `ut-OP`. This string is sent to the client in a
-`ui.language` cookie. On the next request, the client sends it back. The app
-retrieves and displays it.
+The first time you access this app, it sets up a language preference, `ut-OP`.
+This string is sent to the client in a `ui.language` cookie. On the next
+request, the client sends it back. The app retrieves and displays it.
 
 <br>
 

example/d-form/README.md

@@ -49,8 +49,6 @@ let () =
 <b>$ opam install --deps-only --yes .</b>
 <b>$ dune exec --root . ./form.exe</b></code></pre>
 
-Try it in the [playground](http://dream.as/d-form).
-
 <br>
 
 The template adds a CSRF token to the form using

example/e-json/README.md

@@ -65,8 +65,6 @@ The build commands, as always, are:
 <b>$ opam install --deps-only --yes .</b>
 <b>$ dune exec --root . ./json.exe</b></code></pre>
 
-You can try this example in the [playground](http://dream.as/e-json).
-
 <br>
 
 This example expects JSON of the form `{"message": "some-message"}`. Let's test

example/g-upload/README.md

@@ -56,8 +56,7 @@ let () =
 
 <br>
 
-The page shown after uploading looks like this
-[[playground](http://dream.as/g-upload)]:
+The page shown after uploading looks like this:
 
 ```
 foo.png, 663959 bytes

example/h-sql/README.md

@@ -72,8 +72,8 @@ let () =
 
 <br>
 
-Try visiting [http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/h-sql)] and leaving some comments!
+Try visiting [http://localhost:8080](http://localhost:8080) and leaving some
+comments!
 
 ![Comments](https://raw.githubusercontent.com/aantron/dream/master/docs/asset/sql.png)
 

example/i-graphql/README.md

@@ -63,8 +63,8 @@ let () =
 
 <br>
 
-Visit [http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/i-graphql)], and you can interact with the schema:
+Visit [http://localhost:8080](http://localhost:8080), and you can interact with
+the schema:
 
 ![GraphiQL](https://raw.githubusercontent.com/aantron/dream/master/docs/asset/graphiql.png)
 

example/j-stream/README.md

@@ -36,8 +36,6 @@ let () =
 <b>$ opam install --deps-only --yes .</b>
 <b>$ dune exec --root . ./stream.exe</b></code></pre>
 
-Try running it in the [playground](http://dream.as/j-stream).
-
 <br>
 
 You can test it by running

example/k-websocket/README.md

@@ -54,8 +54,8 @@ let () =
 
 <br>
 
-Visit [http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/k-websocket)] to get the whole exchange started!
+Visit [http://localhost:8080](http://localhost:8080) to get the whole exchange
+started!
 
 ![WebSocket alert](https://raw.githubusercontent.com/aantron/dream/master/docs/asset/websocket.png)
 

example/r-graphql/README.md

@@ -74,8 +74,8 @@ let () =
 
 <br>
 
-Visit [http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/r-graphql)], and you can interact with the schema:
+Visit [http://localhost:8080](http://localhost:8080), and you can interact with
+the schema:
 
 ![GraphiQL](https://raw.githubusercontent.com/aantron/dream/master/docs/asset/graphiql.png)
 

example/r-hello/README.md

@@ -19,9 +19,8 @@ let () =
 
 <br>
 
-After starting it, visit [http://localhost:8080](http://localhost:8080), or use
-the [playground](http://dream.as/r-hello), and it will respond with its friendly
-greeting!
+After starting it, visit [http://localhost:8080](http://localhost:8080), and it
+will respond with its friendly greeting!
 
 <br>
 

example/r-template-logic/README.md

@@ -70,8 +70,6 @@ let () =
 <b>$ npm install esy && npx esy</b>
 <b>$ npx esy start</b></code></pre>
 
-Try it in the [playground](http://dream.as/r-template-logic).
-
 <br>
 
 **See also:**

example/r-template-stream/README.md

@@ -35,8 +35,7 @@ let () =
 
 <br>
 
-Visit [http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/r-template-stream)] to see it in action.
+Visit [http://localhost:8080](http://localhost:8080) to see it in action.
 
 The important differences with regular usage of templates are:
 

example/r-template/README.md

@@ -30,8 +30,6 @@ let () =
 <b>$ npm install esy && npx esy</b>
 <b>$ npx esy start</b></code></pre>
 
-Try it in the [playground](http://dream.as/r-template).
-
 <br>
 
 To use the templater, we need to add a stanza to our

example/r-tyxml/README.md

@@ -2,9 +2,8 @@
 
 <br>
 
-[TyXML](https://github.com/ocsigen/tyxml) can be used
-[[playground](http://dream.as/r-tyxml)] together with Reason's built-in JSX
-syntax for generating HTML on the server:
+[TyXML](https://github.com/ocsigen/tyxml) can be used together with Reason's
+built-in JSX syntax for generating HTML on the server:
 
 ```reason
 open Tyxml

example/w-chat/README.md

@@ -34,10 +34,7 @@ The rest of the code hooks up the client's message form to the WebSocket.
 <br>
 
 Open [http://localhost:8080](http://localhost:8080) in two tabs to get the
-whole exchange started! You can also try it in the
-[playground](http://dream.as/w-chat). To connect a second tab, copy out the
-address from the playground's location bar, and paste it into a new tab in your
-browser.
+whole exchange started!
 
 <br>
 

example/w-content-security-policy/README.md

@@ -49,10 +49,9 @@ let () =
 
 <br>
 
-Visit [http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/w-content-security-policy)], and your browser
-should refuse to show `/nested` inside the frame on the home page. In addition,
-the server log will show something like
+Visit [http://localhost:8080](http://localhost:8080), and your browser should
+refuse to show `/nested` inside the frame on the home page. In addition, the
+server log will show something like
 
 ```
 09.06.21 09:54:35.971                 ERROR REQ 3 {

example/w-flash/README.md

@@ -94,7 +94,7 @@ request, like this:
 <br>
 
 After starting the server, visit [http://localhost:8080](http://localhost:8080)
-[[playground](http://dream.as/w-flash)] to start this little interaction!
+to start this little interaction!
 
 <br>