diff --git a/my-electrs-repo/Dockerfile b/Dockerfile-electrs
similarity index 91%
rename from my-electrs-repo/Dockerfile
rename to Dockerfile-electrs
index 4e344aa..0d84d1e 100644
--- a/my-electrs-repo/Dockerfile
+++ b/Dockerfile-electrs
@@ -10,6 +10,7 @@ RUN apt install -y \
   cargo
 
 RUN git clone https://github.com/romanz/electrs
+RUN git checkout v0.9.10
 WORKDIR electrs
 RUN ls -la
 RUN cargo build --locked --release
diff --git a/README.md b/README.md
index fbe6248..a027ec8 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,14 @@ First, clone this repo where you would like to run your node.
 
 ### Building electrs
 
-TODO: explain
+Since there is no good `electrs` docker image out there, we roll our own one
+for this project. The file is `Dockerfile-electrs`. To build the image, run the
+following command:
+
+```bash
+docker build -t my-electrs:latest -f Dockerfile-electrs . 
+```
+
 
 ### Environment and configuration files
 
@@ -43,12 +50,24 @@ not make any changes if you are following these instructions.
 
 Inside `data/lnbits`, you will need to place a `.env` file. Pay attention: this
 file is specific for LNbits and is unrelated to the other `.env` file that sits
-on the root of this repo. TODO: make template in 
+on the root of this repo. The best place to get an example is [the official
+LNbits repository](https://github.com/lnbits/lnbits).
 
 
-### Smoke testing
+### Running and Smoke testing
 
-TODO: describe how to check that everything is warning.
+To run, execute a simple `docker compose up -d`.
+
+Once you get everything running, here is how you can check on the health of the
+different services:
+
+- All: check if the containers are running.
+- Bitcoin: check the logs. You should see Bitcoin updating its tip with as new
+  blocks are found.
+- Electrs: connect from Sparrow or another wallet.
+- Mempool: visit the page.
+- LNbits: visit the page, perhaps make a small transaction if you want to be
+  dead sure everything is up and running.
 
 ## Upgrading versions of the different services