diff --git a/README.md b/README.md
index f144761..8f97137 100644
--- a/README.md
+++ b/README.md
@@ -97,9 +97,6 @@ macOS amd64 (Intel) and arm64 (M-Series) will work, but CPU-only.
Windows users will need to use WSL2 or Docker Desktop with Git Bash.
-Some Windows users with 8GB of RAM have reported that the demo runs out of memory
-running Docker withing WSL. It may be necessary to change
-
## Setup
Clone this repository to a machine that meets the [system requirements](#system-requirements).
@@ -109,6 +106,9 @@ git clone https://github.com/MWATelescope/mwa-demo.git
cd mwa-demo
```
+If you originally cloned this repository days before the workshop, it's a good idea
+to check for updates right before the workshop starts with a `git pull`.
+
## Downloads
Download demo data (from Pawsey). You should be in the root of the repository.
@@ -130,7 +130,7 @@ unzip -n demo2.zip # -n = do not replace pre-existing files
There are several ways that you can provide the software dependencies to run this demo:
-- docker: run the software in a Docker container (best for development)
+- docker: run the software in a Docker container (**recommended for new users!**)
- bare metal: install everything to your local machine (best for performance)
- hybrid: use a mix of Docker and local software (good balance)
- singularity: similar to Docker, but for shared HPC environments
@@ -147,8 +147,14 @@ The scripts are written for a Bash shell, and won't work in PowerShell or CMD.
The demo has been tested on Windows 11 with Docker Desktop 4.33.1 on a Git Bash shell.
+Some Windows users with 8GB of RAM have reported that the demo runs out of memory
+running Docker withing WSL. It may be necessary to change
+
### Bare Metal
+
+ For advanced users
+
For optimal performance, you should compile the following software dependencies directly on your
machine.
@@ -171,6 +177,8 @@ The steps in the `Dockerfile` may be a useful guide.
- Birli
- hyperdrive
+
+
### Docker
A cross-platform, cpu-only [`Dockerfile`](Dockerfile) is provided which encapsulates all software
@@ -223,6 +231,9 @@ docker build -t mwatelescope/mwa-demo:latest -f Dockerfile .
### Hybrid
+
+ For advanced users
+
If you have some software dependencies installed locally, you can use Docker to run the rest.
This will create fake binaries in the `./bin` directory that just call Docker for any missing commands.
@@ -232,18 +243,15 @@ demo/00_hybrid.sh
export PATH=${PATH}:./bin/
```
-```txt
-birli already exists, skipping
-giant-squid already exists, skipping
-hyperdrive already exists, skipping
-jq already exists, skipping
-wsclean not found, creating bin/wsclean
-```
-
This is probably bad practice for a production pipeline!
+
+
### Singularity
+
+ For advanced users
+
Most HPC environments don't allow you to run Docker (for security reasons).
You can however run Docker images in Singularity.
@@ -251,6 +259,8 @@ You can however run Docker images in Singularity.
singularity exec -B$PWD -W$PWD --cleanenv docker://mwatelescope/mwa-demo:latest /bin/bash
```
+
+
## ASVO account
Please register for an ASVO account: [asvo.mwatelescope.org/registration](https://asvo.mwatelescope.org/registration)
@@ -264,11 +274,16 @@ to obtain your API key and set it as an environment variable:
export MWA_ASVO_API_KEY="..."
```
+Detailed instructions here:
+
you may want to add this to your `~/.bashrc` to persist it
across sessions, but remember to keep this key secret!
## Customization
+
+ For advanced users
+
You may wish to customize some of the other parameters in `demo/00_env.sh`, e.g.:
- `$outdir` the output directory, where files are written. If you're extending
@@ -284,20 +299,31 @@ You may wish to customize some of the other parameters in `demo/00_env.sh`, e.g.
See also: [Extending The Demo](#extending-the-demo) for additional instructions for customizing the
docker images.
-### Running the demo
+
+
+### Pre-workshop tests
+
+The last step before the workshop is to check that everything is working.
+
+```bash
+demo/00_test.sh
+```
-Below is a walkthrough of the demo. Ensure that:
+Please ensure that:
-- everything is run from the root of the repository
- (don't `cd` into the `demo` directory).
+- scripts are run from the root of the repository (don't `cd` into the `demo` directory).
+- scripts are not sourced, and are run directly.
- (if [Docker](#docker)) you are in a Docker shell, not your host system.
- (if [hybrid](#hybrid)), you have run `demo/00_hybrid.sh` and `export PATH=${PATH}:${PWD}/bin/`
- (if [singularity](#singularity)), you are in a Singularity shell, `singularity exec -B$PWD -W$PWD --cleanenv docker://mwatelescope/mwa-demo:latest /bin/bash`
-- you don't `source` the scripts, they are `chmod +x` and should be run directly.
+
+Once any warnings from the test script have been addressed, you will be ready to do the workshop.
+
+### Running the demo
+
+You can stop here if you'd like to follow along with the workshop on the day.
```bash
-# check that everything is working
-demo/00_test.sh # don't source me!
# query the MWA TAP server with ADQL using the pyvo library
clear; demo/01_tap.sh
# display giant-squid commands to download observations
@@ -343,6 +369,9 @@ demo/99_cleanup.sh
## Extending the demo
+
+ For advanced users
+
If you extend the `Dockerfile`, you may want to publish your modified image for
multiple platforms using `docker buildx`.
@@ -400,3 +429,5 @@ If you add extra raw files, you can add their checksums with
```bash
md5sum demo/data/*/raw/1*fits | tee demo_data.md5sum
```
+
+
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