Added dockerfile to support runing tests in docker

.dockerignore

@@ -0,0 +1,3 @@
+.gitignore
+Dockerfile
+README.md

.gitignore

@@ -1,2 +1,4 @@
 node_modules
 .DS_Store
+screenshots
+cypress/fixtures/*

Dockerfile

@@ -0,0 +1,6 @@
+FROM cypress/included:6.4.0
+ADD ./ /app/
+WORKDIR /app
+RUN npm update caniuse-lite browserslist
+RUN yarn
+ENTRYPOINT ["cypress"]

README.md

@@ -1,11 +1,33 @@
 # Freefeed Acceptance Tests
 
-1. `yarn` to install Cypress (https://cypress.io).
-1. `yarn cypress:run` to run the headless test suite.
-1. `yarn cypress:open` to open Cypress app and run tests manually or write new ones.
+## Run locally
+
+-  `yarn` to install Cypress (https://cypress.io).
+
+-  `yarn cypress:run` to run the headless test suite.
+
+-  `yarn cypress:open` to open Cypress app and run tests manually or write new ones.
 
 Note: by default the tests are running against your local [development server](https://github.com/FreeFeed/freefeed-server), so it should be installed and running when your run the test suite. You can change the target server by modifying `"baseUrl"`, `"backendUrl"` and `"authTokenLocalStorageName"` in `./cypress.json` config file.
 
+## Run in docker
+
+
+```bash
+
+docker build -t tests:local .
+
+docker run tests:local run
+
+```
+Mount subfolder from current folder for screenshots
+
+```bash
+
+docker run -v ${PWD}/screenshots:/app/cypress/screenshots tests:local run
+
+```
+
 ### Useful links
 
 - https://docs.cypress.io/guides/getting-started/writing-your-first-test.html