Update README to reflect user experience and to use --stack directive in examples

Former-commit-id: 2c151cb8ce

README.md

@@ -8,11 +8,10 @@ Stack Orchestrator allows building and deployment of a Laconic Stack on a single
 
 Ensure that the following are already installed:
 
-- [Python3](https://wiki.python.org/moin/BeginnersGuide/Download): `python3 --version` >= `3.10.8`
+- [Python3](https://wiki.python.org/moin/BeginnersGuide/Download): `python3 --version` >= `3.8.10` (the Python3 shipped in Ubuntu 20+ is good to go)
 - [Docker](https://docs.docker.com/get-docker/): `docker --version` >= `20.10.21`
-- [Docker Compose](https://docs.docker.com/compose/install/): `docker-compose --version` >= `2.13.0`
 
-Note: if installing docker-compose via package manager (as opposed to Docker Desktop), you must [install the plugin](https://docs.docker.com/compose/install/linux/#install-the-plugin-manually), e.g., on Linux:
+Note: if installing docker-compose via package manager on Linux (as opposed to Docker Desktop), you must [install the plugin](https://docs.docker.com/compose/install/linux/#install-the-plugin-manually), e.g. :
 
 ```bash
 mkdir -p ~/.docker/cli-plugins
@@ -20,39 +19,27 @@ curl -SL https://github.com/docker/compose/releases/download/v2.11.2/docker-comp
 chmod +x ~/.docker/cli-plugins/docker-compose
 ```
 
-Next, download the latest release from [this page](https://github.com/cerc-io/stack-orchestrator/tags), into a suitable directory (e.g. `~/bin`):
+Next decide on a directory where you would like to put the stack-orchestrator program. Typically this would be 
+a "user" binary directory such as `~/bin` or perhaps `/usr/local/laconic` or possibly just the current working directory.
+
+Now, having selected that directory, download the latest release from [this page](https://github.com/cerc-io/stack-orchestrator/tags) into it (we're using `~/bin` below for concreteness but edit to suit if you selected a different directory). Also be sure that the destination directory exists and is writable:
 
 ```bash
 curl -L -o ~/bin/laconic-so https://github.com/cerc-io/stack-orchestrator/releases/latest/download/laconic-so
 ```
 
-Give it permissions:
+Give it execute permissions:
 ```bash
 chmod +x ~/bin/laconic-so
 ```
 
 Ensure `laconic-so` is on the [`PATH`](https://unix.stackexchange.com/a/26059)
 
-Verify operation:
+Verify operation (your version will probably be different, just check here that you see some version outut and not an error):
 
 ```
-laconic-so --help
-Usage: python -m laconic-so [OPTIONS] COMMAND [ARGS]...
-
-  Laconic Stack Orchestrator
-
-Options:
-  --quiet
-  --verbose
-  --dry-run
-  --local-stack
-  -h, --help     Show this message and exit.
-
-Commands:
-  build-containers    build the set of containers required for a complete...
-  build-npms          build the set of npm packages required for a...  
-  deploy-system       deploy a stack
-  setup-repositories  git clone the set of repositories required to build...
+laconic-so version
+Version: v1.0.27-7831078
 ```
 
 ## Usage
@@ -64,25 +51,25 @@ Three sub-commands: `setup-repositories`, `build-containers` and `deploy-system`
 Clone the set of git repositories necessary to build a system:
 
 ```bash
-laconic-so --verbose setup-repositories --include cerc-io/go-ethereum,cerc-io/ipld-eth-db,cerc-io/ipld-eth-server,cerc-io/watcher-ts
+laconic-so --stack erc20 setup-repositories
 ```
 
-This will default to `~/cerc` or - if set - the environment variable `CERC_REPO_BASE_DIR`
+This will default to cloning git reposiories into: `~/cerc` or - if set - the environment variable `CERC_REPO_BASE_DIR`
 
 ### Build Containers
 
 Build the set of docker container images required to run a system. It takes around 10 minutes to build all the containers from scratch.
 
 ```bash
-laconic-so --verbose build-containers --include cerc/go-ethereum,cerc/go-ethereum-foundry,cerc/ipld-eth-db,cerc/ipld-eth-server,cerc/watcher-erc20
+laconic-so --stack erc20 build-containers
 ```
 
 ### Deploy System
 
-Uses `docker-compose` to deploy a system (with most recently built container images).
+Uses `docker compose` to deploy a system (with most recently built container images).
 
 ```bash
-laconic-so --verbose deploy-system --include ipld-eth-db,go-ethereum-foundry,ipld-eth-server,watcher-erc20 up
+laconic-so --stack erc20 deploy-system up
 ```
 
 Check out he GraphQL playground here: [http://localhost:3002/graphql](http://localhost:3002/graphql)
@@ -92,7 +79,7 @@ See the [erc20 watcher demo](/app/data/stacks/erc20) to continue further.
 ### Cleanup
 
 ```bash
-laconic-so --verbose deploy-system --include ipld-eth-db,go-ethereum-foundry,ipld-eth-server,watcher-erc20 down
+laconic-so --stack erc20 deploy-system down
 ```
 
 ## Contributing