feat(build): add full dockerfile containing yarn step

We can create images without yarn installed and this change streamlines dockerfiles across portal repositories.

Refs: #186

.conf/Dockerfile.full

@@ -0,0 +1,49 @@
+###############################################################
+# Copyright (c) 2022 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License, Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0.
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+###############################################################
+
+# Step 1
+FROM node:21-alpine as build-step
+ARG http_proxy=$http_proxy
+ARG https_proxy=$https_proxy
+ARG no_proxy=$no_proxy
+RUN apk update && apk add --no-cache jq
+COPY . /app
+WORKDIR /app
+RUN yarn
+RUN yarn build
+
+# Step 2
+FROM nginxinc/nginx-unprivileged:alpine
+COPY .conf/nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build-step /app/build /usr/share/nginx/html
+# Change to root user
+USER root
+# Rename index.html to index.html.reference, to be used by env variables inject script
+RUN mv /usr/share/nginx/html/index.html /usr/share/nginx/html/index.html.reference
+# Create symlink for tmp for index.html to enable readOnlyRootFilesystem
+RUN ln -s /tmp/index.html /usr/share/nginx/html/index.html
+# Add env variables inject script and mark as executable
+COPY ./scripts/inject-dynamic-env.sh /docker-entrypoint.d/00-inject-dynamic-env.sh
+RUN chmod +x /docker-entrypoint.d/00-inject-dynamic-env.sh
+# Install bash for env variables inject script
+RUN apk update && apk add --no-cache bash
+# Make nginx owner of /usr/share/nginx/html/ and change to nginx user
+RUN chown -R 101:101 /usr/share/nginx/html/
+# Change to nginx user
+USER 101