Docs/install docs (#983)

* check if wallet exists

* check wallet existence in key check

* update install docs

Dockerfile

@@ -1,6 +1,7 @@
 FROM python:3.9-slim
+RUN apt-get clean
 RUN apt-get update
-RUN apt-get install -y curl
+RUN apt-get install -y curl pkg-config build-essential
 RUN curl -sSL https://install.python-poetry.org | python3 -
 ENV PATH="/root/.local/bin:$PATH"
 WORKDIR /app

docs/guide/installation.md

@@ -12,6 +12,8 @@ By default, LNbits will use SQLite as its database. You can also use PostgreSQL
 
 ## Option 1 (recommended): poetry
 
+If you have problems installing LNbits using these instructions, please have a look at the [Troubleshooting](#troubleshooting) section.
+
 ```sh
 git clone https://github.com/lnbits/lnbits-legend.git
 cd lnbits-legend/
@@ -26,12 +28,11 @@ curl -sSL https://install.python-poetry.org | python3 -
 export PATH="/home/ubuntu/.local/bin:$PATH" # or whatever is suggested in the poetry install notes printed to terminal
 poetry env use python3.9
 poetry install --no-dev
+poetry run python build.py
 
 mkdir data
 cp .env.example .env
-sudo nano .env # set funding source
-
-
+nano .env # set funding source
 ```
 
 #### Running the server
@@ -176,13 +177,15 @@ Problems installing? These commands have helped us install LNbits.
 ```sh
 sudo apt install pkg-config libffi-dev libpq-dev
 
+# build essentials for debian/ubuntu
+sudo apt install python3.9-dev gcc build-essential
+
 # if the secp256k1 build fails:
-# if you used venv
-./venv/bin/pip install setuptools wheel
 # if you used poetry
 poetry add setuptools wheel
-# build essentials for debian/ubuntu
-sudo apt install python3-dev gcc build-essential
+
+# if you used venv
+./venv/bin/pip install setuptools wheel
 ```
 
 ### Optional: PostgreSQL database

lnbits/extensions/offlineshop/wordlists.py

@@ -5,13 +5,13 @@ animals = [
     "duck",
     "eagle",
     "flamingo",
-    "gorila",
+    "gorilla",
     "hamster",
     "iguana",
     "jaguar",
     "koala",
     "llama",
-    "macaroni penguim",
+    "macaroni penguin",
     "numbat",
     "octopus",
     "platypus",