feat: ✨ Created a mini nodeJS server with NewMan for testing without PostMan GUI.

This will mimic a run in a CD/CI environment or docker container.

node_modules/newman/docker/images/alpine33/Dockerfile

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+FROM alpine:3.3
+LABEL maintainer="Postman Labs <help@postman.com>"
+
+ARG NODE_VERSION=10
+ARG NEWMAN_VERSION
+
+# Set environment variables
+ENV LC_ALL="en_US.UTF-8" LANG="en_US.UTF-8" LANGUAGE="en_US.UTF-8" ALPINE_NODE_REPO="oznu/alpine-node"
+
+# Bail out early if NODE_VERSION is not provided
+RUN if [ ! $(echo $NEWMAN_VERSION | grep -oE "^[0-9]+\.[0-9]+\.[0-9]+$") ]; then \
+        echo "\033[0;31mA valid semver Newman version is required in the NEWMAN_VERSION build-arg\033[0m"; \
+        exit 1; \
+    fi && \
+    # Add the latest Alpine Linux package to the repositories list
+    echo -e "https://nl.alpinelinux.org/alpine/v3.3/main/\nhttps://nl.alpinelinux.org/alpine/v3.3/community/" > /etc/apk/repositories && \
+    # Update existing packages and install Node dependencies
+    apk add --update --no-cache libgcc libstdc++ jq curl && \
+    # Determine the complete Semver Node version for the provided Node major version in $NODE_VERSION
+    FULL_NODE_VERSION=$(curl --silent "https://api.github.com/repos/${ALPINE_NODE_REPO}/releases" | jq -r '.[].tag_name' | grep -oE "^${NODE_VERSION}\.\d+\.\d+$" | sort -r -t. -k 1,1nr -k 2,2nr -k 3,3nr | head -n1) && \
+    # Download the appropriate Node binary for Alpine Linux
+    curl --silent -L "https://github.com/${ALPINE_NODE_REPO}/releases/download/${FULL_NODE_VERSION}/node-v${FULL_NODE_VERSION}-linux-x86_64-alpine.tar.gz" > /etc/alpine-node-${NODE_VERSION}.tar.gz && \
+    # Extract and install Node from the binary downloaded in the previous step
+    tar -xzf /etc/alpine-node-${NODE_VERSION}.tar.gz -C /usr --no-same-owner && \
+    # Install Newman globally
+    npm install --global newman@${NEWMAN_VERSION} && \
+    # Prune redundant packages
+    apk del jq curl && \
+    # Clear Alpine Node binary
+    rm /etc/alpine-node-${NODE_VERSION}.tar.gz;
+
+# Set workdir to /etc/newman
+# When running the image, mount the directory containing your collection to this location
+#
+# docker run -v <path to collections directory>:/etc/newman ...
+#
+# In case you mount your collections directory to a different location, you will need to give absolute paths to any
+# collection, environment files you want to pass to newman, and if you want newman reports to be saved to your disk.
+# Or you can change the workdir by using the -w or --workdir flag
+WORKDIR /etc/newman
+
+# Set newman as the default container command
+# Now you can run the container via
+#
+# docker run -v /home/collections:/etc/newman -t postman/newman_alpine33 run YourCollection.json.postman_collection \
+#                                                                        -e YourEnvironment.postman_environment \
+#                                                                        -H newman_report.html
+ENTRYPOINT ["newman"]

node_modules/newman/docker/images/alpine33/README.md

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+# newman_alpine33 (deprecated)
+## Use postman/newman:alpine instead. See https://hub.docker.com/r/postman/newman/ for more available tags
+
+This image runs newman on node v8 on Alpine 3.3
+
+Build the image:
+
+```terminal
+docker build -t postman/newman_alpine33 --build-arg NEWMAN_VERSION="full semver version" .
+```
+
+Or get it from [Docker Hub](https://registry.hub.docker.com/u/postman/newman_alpine33/):
+
+```terminal
+docker pull postman/newman_alpine33
+```
+
+Then run it:
+
+```terminal
+docker --volume="/home/postman/collections:/etc/newman" -t postman/newman_alpine33 run JSONBlobCoreAPI.json.postman_collection -r json --reporter-json-export newman-report.json
+```
+For newman-docker to be able to use collections and environment files saved on the host machine, and to save reports generated by newman, a directory containing the collection and environment needs to be mounted on to the docker instance on run time, preferably at `/etc/newman`, which is the default working directory. If you mount to a different location, then:
+  - You can pass the full path to your collection and environment files to newman. For instance, if you mount to `/etc/newman`,
+
+```terminal
+docker --volume="/home/postman/collection:/etc/newman" -t postman/newman_alpine33 run JSONBlobCoreAPI.json.postman_collection" -r json --reporter-json-export newman-report.json
+```
+  - You can change the working directory while running the image to the location you mounted to, using the `-w` or `--workdir` flag.
+
+```terminal
+docker run --volume="/home/postman/collections:/etc/newman" -t postman/newman_alpine33 run JSONBlobCoreAPI.json.postman_collection -r json --reporter-json-export newman-report.json
+```
+
+In case you don't need to save newman's report to the host, and your collection is available online and does not require any environment, then you can forgo mounting your collections directory and directly pass the collection URL to newman:
+
+```terminal
+docker run -t postman/newman_alpine33 run https://www.getpostman.com/collections/8a0c9bc08f062d12dcda
+```