diff --git a/redirects.yml b/redirects.yml
index 59be9d20..5150085b 100644
--- a/redirects.yml
+++ b/redirects.yml
@@ -159,14 +159,26 @@
from_url: /tutorials/quickstart.html
to_url: /tutorials/running-a-workflow.html
+- type: page
+ from_url: /tutorials/running-a-workflow.html
+ to_url: /tutorials/running-a-phylogenetic-workflow.html
+
- type: page
from_url: /tutorials/zika.html
to_url: /tutorials/creating-a-workflow.html
+- type: page
+ from_url: /tutorials/creating-a-workflow.html
+ to_url: /tutorials/creating-a-phylogenetic-workflow.html
+
- type: page
from_url: /tutorials/tb_tutorial.html
to_url: /tutorials/creating-a-bacterial-pathogen-workflow.html
+- type: page
+ from_url: /tutorials/creating-a-bacterial-pathogen-workflow.html
+ to_url: /tutorials/creating-a-bacterial-phylogenetic-workflow.html
+
- type: page
from_url: /guides/share/nextstrain-groups.html
to_url: /guides/share/groups/index.html
diff --git a/src/guides/share/groups/index.rst b/src/guides/share/groups/index.rst
index 28b21081..c55ad8ae 100644
--- a/src/guides/share/groups/index.rst
+++ b/src/guides/share/groups/index.rst
@@ -11,7 +11,7 @@ Share via Nextstrain Groups
This how-to guide assumes familiarity with the :doc:`Nextstrain Groups
` feature and the :doc:`Nextstrain dataset files
` produced by :doc:`running a pathogen workflow
- `. We recommend reading about those first
+ `. We recommend reading about those first
if you're not familiar with them.
Log in with the Nextstrain CLI
diff --git a/src/index.rst b/src/index.rst
index 4c96ad13..a2e5d160 100644
--- a/src/index.rst
+++ b/src/index.rst
@@ -52,10 +52,10 @@ team and other Nextstrain users provide assistance. For private inquiries,
:hidden:
Installing
- tutorials/running-a-workflow
- tutorials/creating-a-workflow
+ tutorials/running-a-phylogenetic-workflow
+ tutorials/creating-a-phylogenetic-workflow
Exploring SARS-CoV-2 evolution
- tutorials/creating-a-bacterial-pathogen-workflow
+ tutorials/creating-a-bacterial-phylogenetic-workflow
tutorials/narratives-how-to-write
Analyzing genomes with Nextclade
diff --git a/src/install.rst b/src/install.rst
index ad4f5ac9..b34ec0eb 100644
--- a/src/install.rst
+++ b/src/install.rst
@@ -325,7 +325,7 @@ Try running Augur and Auspice
Next steps
==========
-With Nextstrain installed, try :doc:`tutorials/running-a-workflow` next.
+With Nextstrain installed, try :doc:`tutorials/running-a-phylogenetic-workflow` next.
Alternate installation methods
diff --git a/src/learn/augur-to-auspice.rst b/src/learn/augur-to-auspice.rst
index 552e2cc9..134d28d7 100644
--- a/src/learn/augur-to-auspice.rst
+++ b/src/learn/augur-to-auspice.rst
@@ -24,7 +24,7 @@ Auspice (visualization) components
It's helpful to start in Auspice and then work backwards to Augur.
In this section, we will walk through various components of Auspice and how
-they relate to the :term:`dataset JSON ` (sometimes called an Auspice JSON).
+they relate to the :term:`dataset JSON ` (sometimes called an Auspice JSON).
Phylogeny Tree Panel and Core Controls
--------------------------------------
@@ -226,7 +226,7 @@ various components:
.. image:: ../images/auspice-components-diversity-panel.png
:alt: Annotated screenshot of Auspice's diversity (entropy) panel
-The diversity panel is enabled by data in the :term:`dataset JSON `.
+The diversity panel is enabled by data in the :term:`dataset JSON `.
The top-level ``meta.genome_annotations`` provides the genome annotations
displayed and the individual tree nodes provide the mutations
via ``node.branch_attrs.mutations``, which are used to calculate the entropy
@@ -337,9 +337,9 @@ Exporting data via Augur
========================
We now consider how information flows through Augur, specifically
-``augur export v2`` which produces the :term:`dataset (Auspice) JSON `
+``augur export v2`` which produces the :term:`dataset (Auspice) JSON `
described above. This process combines data inputs with parameters configuring
-aspects of the visualisation and produces :term:`dataset files ` for
+aspects of the visualisation and produces :term:`dataset files ` for
Auspice to visualise.
.. graphviz::
diff --git a/src/learn/parts.rst b/src/learn/parts.rst
index 4a412361..21a79a14 100644
--- a/src/learn/parts.rst
+++ b/src/learn/parts.rst
@@ -79,7 +79,7 @@ example, you visit `nextstrain.org/mumps/na
Auspice displaying Mumps genomes from North America.
-:term:`Datasets` are produced by Augur and
+:term:`Datasets` are produced by Augur and
visualized by Auspice. These files are often referred to as :term:`JSONs`
colloquially because they use a generic data format called JSON.
@@ -118,7 +118,7 @@ colloquially because they use a generic data format called JSON.
Augur -> jsons -> Auspice;
}
-:term:`Builds` are recipes of code and data that produce these :term:`datasets`.
+A :term:`build` is a recipe of several commands and data that produce a single :term:`dataset`.
.. graphviz::
:align: center
@@ -165,9 +165,13 @@ colloquially because they use a generic data format called JSON.
metadata -> filter;
}
-Builds run several commands and are often automated by workflow managers such as `Snakemake `__, `Nextflow `__ and `WDL `__. A :term:`workflow` bundles one or more related :term:`builds` which each produce a :term:`dataset` for visualization with :term:`Auspice`.
+A :term:`workflow` can bundle one or more related :term:`builds` and are often automated by workflow managers
+such as `Snakemake `__, `Nextflow `__
+and `WDL `__.
-As an example, our core workflows are organized as `Git repositories `__ hosted on `GitHub `__. Each contains a :doc:`Snakemake workflow ` using Augur, configuration, and data.
+Our :term:`pathogen repositories` are organized as `Git repositories `__
+hosted on `GitHub `__. Each repository can contain
+one or more workflows.
.. graphviz::
:align: center
@@ -176,7 +180,7 @@ As an example, our core workflows are organized as `Git repositories dataset0
- build1 -> dataset1
- build2 -> dataset2
- build3 -> dataset3
+ build0 -> output0;
+ build1 -> output1;
+ build2 -> output2;
+ build3 -> output3;
+ build4 -> output4;
+ build5 -> output5;
+ build6 -> output6;
+ build7 -> output7;
+ build8 -> output8;
+ build9 -> output9;
+ build10 -> output10;
+ build11 -> output11;
{
- edge[style=invis]
- dataset0 -> build1 // arrange clusters on same row
- ellipses1 -> ellipses2
+ edge[style=invis];
+ output0 -> build3; // arrange clusters on same row
+ output3 -> build5; // arrange clusters on same row
+ ellipses1 -> ellipses2;
}
}
@@ -242,5 +298,5 @@ quality checks, and phylogenetic placement. Nextclade can be used independently
of other Nextstrain tools as well as integrated into workflows.
With this overview, you'll be better prepared to :doc:`install Nextstrain
-` and :doc:`run a workflow ` or :doc:`contribute
+` and :doc:`run a workflow ` or :doc:`contribute
to development `.
diff --git a/src/reference/data-files.rst b/src/reference/data-files.rst
index 72147ce3..3b80a4d5 100644
--- a/src/reference/data-files.rst
+++ b/src/reference/data-files.rst
@@ -26,14 +26,14 @@ Workflow files
Files which correspond to several :term:`builds ` visible on nextstrain.org, e.g. all of builds under .
These often include the full metadata table, sequences FASTA, titer matrix, etc.
- We often call these "inputs" colloquially because they're often the top-level inputs to a :term:`workflow`, but some of the files are actually workflow-level outputs.
+ We often call these "inputs" colloquially because they're often the top-level inputs to a :term:`phylogenetic workflow`, but some of the files are actually workflow-level outputs.
(Albeit, outputs that can be used as time-saving inputs in later workflow runs.)
Build files
Files which correspond to a specific single :term:`build` visible on nextstrain.org, e.g. <`nextstrain.org/ncov/open/global/6m `__>.
- These often include the subsampled metadata table, sequences FASTA, and Newick tree as well as the final :term:`dataset` JSONs.
+ These often include the subsampled metadata table, sequences FASTA, and Newick tree as well as the final :term:`phylogenetic dataset` JSONs.
- We often call these "outputs" colloquially because they're produced by running a :term:`workflow`, but some of the files are actually the specific, subsampled inputs that went into the specific build.
+ We often call these "outputs" colloquially because they're produced by running a :term:`phylogenetic workflow`, but some of the files are actually the specific, subsampled inputs that went into the specific build.
Workflow and build files for public data are available from:
diff --git a/src/reference/glossary.rst b/src/reference/glossary.rst
index 780b7fb9..dacc3388 100644
--- a/src/reference/glossary.rst
+++ b/src/reference/glossary.rst
@@ -12,10 +12,24 @@ Glossary
A web application used for phylogenetic visualization and analysis. :doc:`Documentation`
+ pathogen repository
+
+ A version-controlled folder containing all files necessary to run a pathogen's :term:`workflows`.
+
+ core repository
+
+ A :term:`pathogen repository` maintained by the Nextstrain team.
+
workflow
- also *pathogen workflow*, *pathogen analysis*, *Nextstrain workflow*
- A reproducible process comprised of one or more :term:`builds` producing :term:`datasets`, which can be visualized by :term:`Auspice`. Implementation varies per workflow, but generally they are run by workflow managers such as Snakemake.
+ A reproducible process comprised of one or more :term:`builds` producing :term:`datasets`.
+ Implementation varies per workflow, but generally they are run by workflow managers such as Snakemake.
+
+ A Nextstrain :term:`pathogen repository` typically consists of these different workflows
+
+ 1. :term:`phylogenetic workflow`
+ 2. :term:`ingest workflow`
+ 3. :term:`Nextclade workflow`
Our :term:`core workflows` can be divided into two types:
@@ -26,19 +40,35 @@ Glossary
The individual builds in a multi-build workflow are also "workflows" in the definition of workflow managers like Snakemake.
- core workflow
+ phylogenetic workflow
+ also *Nextstrain workflow*
+
+ A :term:`workflow` consisting of :term:`build(s)` that execute bioinformatic analyses with :term:`Augur` to generate
+ :term:`phylogenetic dataset(s)` for visualization with :term:`Auspice`.
+
+ The phylogenetic workflow is often considered the primary workflow in a pathogen repository
+ (e.g. "the Zika workflow" typically means "the phylogenetic workflow in the Zika pathogen repository").
+
+ ingest workflow
+
+ A :term:`workflow` consisting of :term:`build(s)` that curate public metadata and sequences to generate
+ :term:`ingest dataset(s)` that are typically used as input files for
+ :term:`phylogenetic workflows` and :term:`Nextclade workflows`.
- A :term:`workflow` maintained by the Nextstrain team.
+ Nextclade workflow
- workflow repository
- also *pathogen workflow repository*
+ A :term:`workflow` consisting of :term:`build(s)` that generate :doc:`reference tree(s)` to be packaged with other
+ dataset files to create :term:`Nextclade dataset(s)`.
- A version-controlled folder containing all files necessary to run a :term:`workflow`.
+ core workflow
+
+ A default :term:`workflow` maintained by the Nextstrain team that can usually be run without additional
+ configurations or customizations.
build
- also *Nextstrain build*
+ also *Nextstrain build*, *phylogenetic build*, *ingest build*, *Nextclade build*
- *(noun)* A sequence of commands, parameters and input files which work together to reproducibly execute bioinformatic analyses and generate a :term:`dataset` for visualization with :term:`Auspice`.
+ *(noun)* A sequence of commands, parameters and input files which work together to reproducibly generate a :term:`dataset`.
build (verb)
@@ -49,20 +79,49 @@ Glossary
A modular instruction of a :term:`build` which can be run standalone (e.g. ``augur filter``), often with clear input and output files.
dataset
+
+ A collection of output files produced by a :term:`build`.
+ A Nextstrain :term:`pathogen repository` typically produces multiple types of datasets
+
+ 1. :term:`phylogenetic dataset`
+ 2. :term:`ingest dataset`
+ 3. :term:`Nextclade dataset`
+
+ phylogenetic dataset
also *Auspice JSONs*
- A collection of :term:`JSONs` produced by a :term:`build`. It is also the shared file prefix of the JSONs. For example ``flu/seasonal/h3n2/ha/2y`` identifies a dataset which corresponds to the files
- :
+ A :term:`dataset` consisting of :term:`JSONs` produced by a :term:`build` of a :term:`phylogenetic workflow`.
+ It is also the shared file prefix of the JSONs.
+ For example ``flu/seasonal/h3n2/ha/2y`` identifies a dataset which corresponds to the files:
- ``flu_seasonal_h3n2_ha_2y_meta.json``
- ``flu_seasonal_h3n2_ha_2y_tree.json``
- ``flu_seasonal_h3n2_ha_2y_tip-frequencies.json``
- Some :term:`workflows` produce a single, synonymous dataset, like Zika. Others, like seasonal flu, produce many datasets.
+ Some phylogenetic workflows produce a single, synonymous dataset, like Zika. Others, like seasonal flu, produce many datasets.
+ The phylogenetic dataset is often considered the primary dataset in a pathogen repository
+ (e.g. "the Zika dataset" typically means "the phylogenetic dataset from the Zika pathogen repository").
+
+ ingest dataset
+
+ A :term:`dataset` consisting of curated files produced by a :term:`build` of an :term:`ingest workflow`.
+ Typically consists of the files:
+
+ * metadata.tsv
+ * sequences.fasta
+
+ If the ingest workflow includes Nextclade :term:`build steps`, then the dataset will typically include
+ :doc:`Nextclade output files` as well.
+
+ Nextclade dataset
+
+ A :term:`dataset` consisting of files required for a :doc:`Nextclade` analysis, usually produced
+ by a :term:`build` of a :term:`Nextclade workflow`.
+ See :doc:`documentation` for more details
narrative
- A method of data-driven storytelling with interactive views of :term:`datasets ` displayed alongside multiple pages (or slides) of text and images.
+ A method of data-driven storytelling with interactive views of :term:`phylogenetic datasets` displayed alongside multiple pages (or slides) of text and images.
Saved as a Markdown file with extended syntax to support additional displays.
Viewable on nextstrain.org or with :term:`Auspice` via the :doc:`cli:commands/view` or :doc:`auspice view ` commands.
@@ -70,7 +129,7 @@ Glossary
See also :doc:`/guides/communicate/narratives-intro` and :doc:`/tutorials/narratives-how-to-write`.
JSONs
- Special ``.json`` files produced by :term:`Augur` and visualized by :term:`Auspice`. These files make up a :term:`dataset`.
+ Special ``.json`` files produced by :term:`Augur` and visualized by :term:`Auspice`. These files make up a :term:`phylogenetic dataset`.
See :doc:`data formats`.
Nextstrain CLI
diff --git a/src/tutorials/creating-a-bacterial-pathogen-workflow.rst b/src/tutorials/creating-a-bacterial-phylogenetic-workflow.rst
similarity index 97%
rename from src/tutorials/creating-a-bacterial-pathogen-workflow.rst
rename to src/tutorials/creating-a-bacterial-phylogenetic-workflow.rst
index 5d5747ee..21806b57 100644
--- a/src/tutorials/creating-a-bacterial-pathogen-workflow.rst
+++ b/src/tutorials/creating-a-bacterial-phylogenetic-workflow.rst
@@ -1,8 +1,8 @@
-======================================
-Creating a bacterial pathogen workflow
-======================================
+==========================================
+Creating a bacterial phylogenetic workflow
+==========================================
-This tutorial explains how to create a :term:`single-build Nextstrain workflow` for Tuberculosis sequences. However, much of it will be applicable to any run where you are starting with `VCF `_ files rather than `FASTA `_ files. We'll create a Snakefile step-by-step for each step of the analysis.
+This tutorial explains how to create a :term:`single-build Nextstrain workflow` for Tuberculosis sequences. However, much of it will be applicable to any run where you are starting with `VCF `_ files rather than `FASTA `_ files. We'll create a Snakefile step-by-step for each step of the analysis.
.. contents:: Table of Contents
:local:
@@ -12,12 +12,12 @@ Prerequisites
=============
1. :doc:`Install Nextstrain `.
-2. Run through the :doc:`first tutorial`. This will verify your installation.
+2. Run through the :doc:`first tutorial`. This will verify your installation.
Setup
=====
-1. Download the example :term:`workflow repository` and enter the new directory.
+1. Download the example :term:`pathogen repository` and enter the new directory.
.. code-block:: bash
diff --git a/src/tutorials/creating-a-workflow.rst b/src/tutorials/creating-a-phylogenetic-workflow.rst
similarity index 94%
rename from src/tutorials/creating-a-workflow.rst
rename to src/tutorials/creating-a-phylogenetic-workflow.rst
index 77643af4..0cac4ba1 100644
--- a/src/tutorials/creating-a-workflow.rst
+++ b/src/tutorials/creating-a-phylogenetic-workflow.rst
@@ -1,8 +1,8 @@
-============================
-Creating a pathogen workflow
-============================
+================================
+Creating a phylogenetic workflow
+================================
-This tutorial dissects the :term:`single-build workflow` used in the previous tutorial. We will first make the build step-by-step. Then we will automate this stepwise process in a :term:`workflow`.
+This tutorial dissects the :term:`single-build workflow` used in the previous tutorial. We will first make the build step-by-step. Then we will automate this stepwise process in a :term:`workflow`.
.. note::
@@ -16,12 +16,12 @@ Prerequisites
=============
1. :doc:`Install Nextstrain `.
-2. Run through the :doc:`previous tutorial`. This will verify your installation.
+2. Run through the :doc:`previous tutorial`. This will verify your installation.
Setup
=====
-1. Change directory to the Zika :term:`workflow repository` downloaded in the previous tutorial.
+1. Change directory to the Zika :term:`pathogen repository` downloaded in the previous tutorial.
.. code-block:: bash
@@ -278,7 +278,7 @@ To stop Auspice and return to the command line when you are done viewing your da
Automate the Build with Snakemake
=================================
-While it is instructive to run all of the above commands manually, it is more practical to automate their execution with a workflow manager. Nextstrain implements these automated builds with `Snakemake `_ by defining a ``Snakefile`` like `this Snakefile `_ used in the :doc:`previous tutorial `.
+While it is instructive to run all of the above commands manually, it is more practical to automate their execution with a workflow manager. Nextstrain implements these automated builds with `Snakemake `_ by defining a ``Snakefile`` like `this Snakefile `_ used in the :doc:`previous tutorial `.
From the ``zika-tutorial/`` directory, delete the previously generated results.
@@ -301,4 +301,4 @@ Next steps
- Learn more about :doc:`Augur commands `.
- Learn more about :doc:`Auspice visualizations `.
-- Fork the `Zika tutorial pathogen repository on GitHub `_, modify the Snakefile to make your own pathogen workflow, and learn :doc:`how to contribute to nextstrain.org `.
+- Fork the `Zika tutorial pathogen repository on GitHub `_, modify the Snakefile to make your own phylogenetic workflow, and learn :doc:`how to contribute to nextstrain.org `.
diff --git a/src/tutorials/narratives-how-to-write.rst b/src/tutorials/narratives-how-to-write.rst
index 2d8291c0..ff3e3dc3 100644
--- a/src/tutorials/narratives-how-to-write.rst
+++ b/src/tutorials/narratives-how-to-write.rst
@@ -55,14 +55,14 @@ We'll introduce the basic functionality via an example Markdown file below, whic
3-slide narrative to introduce how to write narratives.
This narrative is intended to be used as part out the
[Writing a Narrative](https://docs.nextstrain.org/en/latest/tutorials/narratives-how-to-write.html)
- tutorial.
+ tutorial.
This opening slide is looking at monkeypox genomes focusing
on the current outbreak. This view into the data is taken from
the associated URL: https://nextstrain.org/monkeypox/hmpxv1?d=map&p=full&c=region
"
---
-
+
# [Monkeypox](https://nextstrain.org/monkeypox/hmpxv1?d=tree&p=full&c=region)
We've now changed the view from the map to the phylogenetic tree.
@@ -119,7 +119,7 @@ To introduce this functionality,
You can see the titles of the three slides and their associated datasets. Hover over one to see the full appearance of the slide.
-To the right of each title is the associate :term:`dataset` and a series of icons representing the main + sidecar :term:`JSONs` associated with the dataset.
+To the right of each title is the associate :term:`phylogenetic dataset` and a series of icons representing the main + sidecar :term:`JSONs` associated with the dataset.
The icons represent whether the dataset exists on nextstrain.org -- in this case, they are all green (success) or grey (not attempted).
When writing a narrative, it's easy to make syntax errors that result in invalid datasets. To observe this, try changing a dataset URL in the Markdown file and dragging the file back onto the debugger.
@@ -156,7 +156,7 @@ There are plenty of ways to approach the task, but we find the following workflo
auspice [shape="tab" style="filled" fillcolor="#c7e9b4" label="nextstrain.org/...\nto choose desired \nview of data"]
md [shape="note" style="filled" fillcolor="#41b6c4" label="Narrative file\nwe are writing\n(Markdown)"]
debugger [shape="tab" style="filled" fontcolor="white" fillcolor="#225ea8" label="Narratives debugger\nto test narrative\nas we go"]
-
+
auspice -> md [label="copy\nURL" fontcolor="#7fcdbb" fillcolor="#7fcdbb" color="#7fcdbb"]
md -> auspice [label="repeat" fontcolor="#7fcdbb" fillcolor="#7fcdbb" color="#7fcdbb" splines=curved]
md -> debugger [label="drag &\ndrop" fontcolor="#1d91c0" fillcolor="#1d91c0" color="#1d91c0"]
diff --git a/src/tutorials/running-a-workflow.rst b/src/tutorials/running-a-phylogenetic-workflow.rst
similarity index 74%
rename from src/tutorials/running-a-workflow.rst
rename to src/tutorials/running-a-phylogenetic-workflow.rst
index 34d73bf9..35ec7a7c 100644
--- a/src/tutorials/running-a-workflow.rst
+++ b/src/tutorials/running-a-phylogenetic-workflow.rst
@@ -1,8 +1,8 @@
-===========================
-Running a pathogen workflow
-===========================
+===============================
+Running a phylogenetic workflow
+===============================
-This tutorial uses the :term:`Nextstrain CLI` to help you get started running :term:`pathogen workflows` and viewing the :term:`datasets` you see on `nextstrain.org `_.
+This tutorial uses the :term:`Nextstrain CLI` to help you get started running :term:`phylogenetic workflows` and viewing the :term:`datasets` you see on `nextstrain.org `_.
It assumes you are comfortable using the command line and installing software on your computer.
If you need help when following this tutorial, please create a post at `discussion.nextstrain.org `_.
@@ -17,10 +17,10 @@ Prerequisites
1. :doc:`Install Nextstrain `. These instructions will install all of the software you need to complete this tutorial and others.
-Download the example Zika workflow repository
+Download the example Zika pathogen repository
=============================================
-:term:`Pathogen workflows` are stored in :term:`workflow repositories` (version-controlled folders) to track changes over time. Download the `example Zika workflow repository `_.
+:term:`Pathogen workflows` are stored in :term:`pathogen repositories` (version-controlled folders) to track changes over time. Download the `example Zika pathogen repository `_.
.. code-block::
@@ -33,7 +33,7 @@ When it's done, you'll have a new directory called ``zika-tutorial/``.
Run the workflow
================
-:term:`Pathogen workflows` use the :term:`Augur` bioinformatics toolkit to subsample data, align sequences, build a phylogeny, estimate phylogeographic patterns, and save the results in a format suitable for visualization with :term:`Auspice`.
+:term:`Phylogenetic workflows` use the :term:`Augur` bioinformatics toolkit to subsample data, align sequences, build a phylogeny, estimate phylogeographic patterns, and save the results in a format suitable for visualization with :term:`Auspice`.
Run the workflow with the :term:`Nextstrain CLI`.
@@ -51,7 +51,7 @@ Output files will be in the directories ``zika-tutorial/data/``, ``zika-tutorial
Visualize results
=================
-View the resulting :term:`dataset` using Nextstrain's visualizations.
+View the resulting :term:`phylogenetic dataset` using Nextstrain's visualizations.
.. code-block::
@@ -71,6 +71,6 @@ Next steps
==========
* :doc:`Learn how to interpret Nextstrain's visualizations `.
-* :doc:`Learn how to create the workflow in this tutorial `.
+* :doc:`Learn how to create the workflow in this tutorial `.
* Learn more about the CLI by running ``nextstrain --help`` and ``nextstrain --help``.
* Explore the :term:`Nextstrain runtime` by running ad-hoc commands inside it using ``nextstrain shell zika-tutorial/``.