P5-7141: basic tests (#1)

* added containers for db and apollo

* connected to test db

* added network again

* Added base for tests

Dockerfile

@@ -0,0 +1,12 @@
+# Uses the node base image with the latest LTS version
+FROM node:14.16.0
+# Informs Docker that the container listens on the 
+# specified network ports at runtime
+EXPOSE 4000
+COPY . app/
+# Changes working directory to the new directory just created
+WORKDIR /app
+# Installs npm dependencies on container
+RUN npm ci
+# Command container will actually run when called
+CMD ["npm", "start"]