Update setup-dev-environment.md

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## Setting up a local development environment # Setting up a local development environment
This document is intended to guide you through setting up a local development environment for This document is intended to guide you through setting up a local development environment for
Colouring London. This guide assumes you already have Ubuntu 18.04 server installed, typically Colouring London. This guide assumes you already have Ubuntu 18.04 server installed, typically
@ -12,7 +12,7 @@ sudo apt-get update
sudo apt-get upgrade sudo apt-get upgrade
``` ```
#### Installing the tools and components ## Installing the tools and components
Now we install some essential tools. Now we install some essential tools.
@ -37,8 +37,8 @@ Now clone the colouring london codebase.
Now install Node. It is helpful to define some local variables. Now install Node. It is helpful to define some local variables.
``` ```
NODE_VERSION=v12.14.1 export NODE_VERSION=v12.14.1
DISTRO=linux-x64 export DISTRO=linux-x64
wget -nc https://nodejs.org/dist/$NODE_VERSION/node-$NODE_VERSION-$DISTRO.tar.xz wget -nc https://nodejs.org/dist/$NODE_VERSION/node-$NODE_VERSION-$DISTRO.tar.xz
sudo mkdir /usr/local/lib/node sudo mkdir /usr/local/lib/node
sudo tar xf node-$NODE_VERSION-$DISTRO.tar.xz -C /usr/local/lib/node sudo tar xf node-$NODE_VERSION-$DISTRO.tar.xz -C /usr/local/lib/node
@ -55,6 +55,12 @@ export PATH=\$NODEJS_HOME:\$PATH
EOF EOF
``` ```
Then run source to make sure node and npm are on your path:
```
source ~/.profile
```
You can check the updated variables as follows You can check the updated variables as follows
``` ```
@ -62,7 +68,7 @@ echo $PATH
echo $NODEJS_HOME echo $NODEJS_HOME
``` ```
#### Configuring Postgres ## Configuring Postgres
Now we configure postgres. First ensure postgres is running. Now we configure postgres. First ensure postgres is running.
@ -91,22 +97,30 @@ password `<pgpassword>` is arbitrary and probably should not be your Ubuntu logi
Create a colouring london database if none exists. The name (`<colouringlondondb>`) is arbitrary. Create a colouring london database if none exists. The name (`<colouringlondondb>`) is arbitrary.
`sudo -u postgres psql -c "SELECT 1 FROM pg_database WHERE datname = '<colouringlondondb>';" | grep -q 1 || sudo -u postgres createdb -E UTF8 -T template0 --locale=en_US.utf8 -O <username> <colouringlondondb>` ```
sudo -u postgres psql -c "SELECT 1 FROM pg_database WHERE datname = '<colouringlondondb>';" | grep -q 1 || sudo -u postgres createdb -E UTF8 -T template0 --locale=en_US.utf8 -O <username> <colouringlondondb>
```
To test the app user's connection to the database, you could run `psql` interactively:
```
psql -d <colouringlondondb> -U <username> -h localhost
```
Create the necessary postgres extensions. Create the necessary postgres extensions.
`psql -d <colouringlondondb> -c "create extension postgis;"` ```
psql -d <colouringlondondb> -c "create extension postgis;"
`psql -d <colouringlondondb> -c "create extension pgcrypto;"` psql -d <colouringlondondb> -c "create extension pgcrypto;"
psql -d <colouringlondondb> -c "create extension pg_trgm;"
`psql -d <colouringlondondb> -c "create extension pg_trgm;"` ```
Now run all 'up' migrations to create tables, data types, indexes etc. The `.sql` scripts to Now run all 'up' migrations to create tables, data types, indexes etc. The `.sql` scripts to
do this are located in the `migrations` folder of your local repository. do this are located in the `migrations` folder of your local repository.
`ls ./colouring-london/migrations/*.up.sql 2>/dev/null | while read -r migration; do psql -d <colouringlondondb> < $migration; done;` `ls ./colouring-london/migrations/*.up.sql 2>/dev/null | while read -r migration; do psql -d <colouringlondondb> < $migration; done;`
#### Setting up Python ## Setting up Python
Now set up a virtual environment for python. In the following example we have named the Now set up a virtual environment for python. In the following example we have named the
virtual environment *colouringlondon* but it can have any name. virtual environment *colouringlondon* but it can have any name.
@ -129,7 +143,7 @@ in the `etl` folder of your local repository.
`pip install -r ./colouring-london/etl/requirements.txt` `pip install -r ./colouring-london/etl/requirements.txt`
#### Setting up Node ## Setting up Node
Now upgrade the npm package manager to the most recent release with global privileges. This Now upgrade the npm package manager to the most recent release with global privileges. This
needs to be performed as root user, so it is necessary to export the node variables to the needs to be performed as root user, so it is necessary to export the node variables to the
@ -137,7 +151,7 @@ root user profile. Don't forget to exit from root at the end.
``` ```
sudo su root sudo su root
export NODEJS_HOME=/usr/local/lib/node/node-v12.14.1/bin/` export NODEJS_HOME=/usr/local/lib/node/node-v12.14.1/bin/
export PATH=$NODEJS_HOME:$PATH` export PATH=$NODEJS_HOME:$PATH`
npm install -g npm@next` npm install -g npm@next`
exit exit
@ -149,7 +163,7 @@ local repository, so that it can read from the `package.json` file.
`cd ./colouring-london/app && npm install` `cd ./colouring-london/app && npm install`
#### Running the application ## Running the application
Now we are ready to run the application. The `APP_COOKIE_SECRET` is arbitrary. Now we are ready to run the application. The `APP_COOKIE_SECRET` is arbitrary.