Added config and docker for backstage docker

Author: adityasinghal26

Diff for: deployment/kubernetes/backstage/docker/Dockerfile

@@ -0,0 +1,47 @@
+# This dockerfile builds an image for the backend package.
+# It should be executed with the root of the repo as docker context.
+#
+# Before building this image, be sure to have run the following commands in the repo root:
+#
+# yarn install
+# yarn tsc
+# yarn build:backend
+#
+# Once the commands have been run, you can build the image using `yarn build-image`
+
+FROM node:18.12.0
+
+# Install sqlite3 dependencies. You can skip this if you don't use sqlite3 in the image,
+# in which case you should also move better-sqlite3 to "devDependencies" in package.json.
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    apt-get update && \
+    apt-get install -y --no-install-recommends libsqlite3-dev python3 build-essential && \
+    yarn config set python /usr/bin/python3
+
+# From here on we use the least-privileged `node` user to run the backend.
+USER node
+
+# This should create the app dir as `node`.
+# If it is instead created as `root` then the `tar` command below will fail: `can't create directory 'packages/': Permission denied`.
+# If this occurs, then ensure BuildKit is enabled (`DOCKER_BUILDKIT=1`) so the app dir is correctly created as `node`.
+WORKDIR /app
+
+# This switches many Node.js dependencies to production mode.
+ENV NODE_ENV production
+
+# Copy repo skeleton first, to avoid unnecessary docker cache invalidation.
+# The skeleton contains the package.json of each package in the monorepo,
+# and along with yarn.lock and the root package.json, that's enough to run yarn install.
+COPY --chown=node:node yarn.lock package.json packages/backend/dist/skeleton.tar.gz ./
+RUN tar xzf skeleton.tar.gz && rm skeleton.tar.gz
+
+RUN --mount=type=cache,target=/home/node/.cache/yarn,sharing=locked,uid=1000,gid=1000 \
+    yarn install --frozen-lockfile --production --network-timeout 300000
+
+# Then copy the rest of the backend bundle, along with any other files we might want.
+COPY --chown=node:node packages/backend/dist/bundle.tar.gz app-config*.yaml ./
+COPY --chown=node:node examples/ /examples/
+RUN tar xzf bundle.tar.gz && rm bundle.tar.gz
+
+CMD ["node", "packages/backend", "--config", "app-config.yaml"]

Diff for: deployment/kubernetes/backstage/docker/app-config.yaml

@@ -0,0 +1,106 @@
+app:
+  title: Scaffolded Backstage App
+  baseUrl: http://localhost:3000
+
+organization:
+  name: My Company
+
+backend:
+  # Used for enabling authentication, secret is shared by all backend plugins
+  # See https://backstage.io/docs/auth/service-to-service-auth for
+  # information on the format
+  # auth:
+  #   keys:
+  #     - secret: ${BACKEND_SECRET}
+  baseUrl: http://localhost:80
+  listen:
+    port: 7007
+    # Uncomment the following host directive to bind to specific interfaces
+    # host: 127.0.0.1
+  csp:
+    connect-src: ["'self'", 'http:', 'https:']
+    # Content-Security-Policy directives follow the Helmet format: https://helmetjs.github.io/#reference
+    # Default Helmet Content-Security-Policy values can be removed by setting the key to false
+  cors:
+    origin: http://localhost:3000
+    methods: [GET, HEAD, PATCH, POST, PUT, DELETE]
+    credentials: true
+  # This is for local development only, it is not recommended to use this in production
+  # The production database configuration is stored in app-config.production.yaml
+  database:
+    client: pg
+    connection:
+      host: postgres
+      port: 5432
+      user: backstage
+      password: hunter2
+        # workingDirectory: /tmp # Use this to configure a working directory for the scaffolder, defaults to the OS temp-dir
+
+integrations:
+  github:
+    - host: github.com
+      # This is a Personal Access Token or PAT from GitHub. You can find out how to generate this token, and more information
+      # about setting up the GitHub integration here: https://backstage.io/docs/getting-started/configuration#setting-up-a-github-integration
+      token: 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
+    ### Example for how to add your GitHub Enterprise instance using the API:
+    # - host: ghe.example.net
+    #   apiBaseUrl: https://ghe.example.net/api/v3
+    #   token: ${GHE_TOKEN}
+
+proxy:
+  ### Example for how to add a proxy endpoint for the frontend.
+  ### A typical reason to do this is to handle HTTPS and CORS for internal services.
+  # '/test':
+  #   target: 'https://example.com'
+  #   changeOrigin: true
+
+# Reference documentation http://backstage.io/docs/features/techdocs/configuration
+# Note: After experimenting with basic setup, use CI/CD to generate docs
+# and an external cloud storage when deploying TechDocs for production use-case.
+# https://backstage.io/docs/features/techdocs/how-to-guides#how-to-migrate-from-techdocs-basic-to-recommended-deployment-approach
+techdocs:
+  builder: 'local' # Alternatives - 'external'
+  generator:
+    runIn: 'docker' # Alternatives - 'local'
+  publisher:
+    type: 'local' # Alternatives - 'googleGcs' or 'awsS3'. Read documentation for using alternatives.
+
+auth:
+  # see https://backstage.io/docs/auth/ to learn about auth providers
+  providers: {}
+
+scaffolder:
+  # see https://backstage.io/docs/features/software-templates/configuration for software template options
+
+catalog:
+  import:
+    entityFilename: catalog-info.yaml
+    pullRequestBranchName: backstage-integration
+  rules:
+    - allow: [Component, System, API, Resource, Location]
+  locations:
+    # Local example data, file locations are relative to the backend process, typically `packages/backend`
+    - type: file
+      target: ../../examples/entities.yaml
+
+    # Local example template
+    - type: file
+      target: ../../examples/template/template.yaml
+      rules:
+        - allow: [Template]
+
+    # Local example organizational data
+    - type: file
+      target: ../../examples/org.yaml
+      rules:
+        - allow: [User, Group]
+
+    ## Uncomment these lines to add more example data
+    # - type: url
+    #   target: https://github.com/backstage/backstage/blob/master/packages/catalog-model/examples/all.yaml
+
+    ## Uncomment these lines to add an example org
+    # - type: url
+    #   target: https://github.com/backstage/backstage/blob/master/packages/catalog-model/examples/acme-corp.yaml
+    #   rules:
+    #     - allow: [User, Group]