margaret · August 22, 2018 18:19 · Apr 18, 2017 · Apr 18, 2017 · Apr 18, 2017 · Apr 18, 2017
diff --git a/README.md b/README.md
@@ -15,4 +15,4 @@ Running `docker-compose build` and then `docker-compose run dev` from inside the
 
 Can change the `FROM` image to some other Linux-based box that suits your application (python, node, jupyter, etc).
 
-For reasons I have yet determined, running `docker-compose up` instead of `docker-compose run dev` hangs at `Attaching to foo` (OS X Sierra, docker-compose version 1.11.2, build dfed245, Docker version 17.03.1-ce, build c6d412e). There's a bunch of bug reports that are fairly recent where people have this same issue.
+You have to do `docker-compose run` instead of `docker-compose up` if you want an interactive session, because `up` is meant to run multiple containers.
diff --git a/README.md b/README.md
@@ -13,6 +13,6 @@ Structure:
 
 Running `docker-compose build` and then `docker-compose run dev` from inside the `whales` directory will run the container and then drop you into the `src` directory. Any files you have in the `foo` directory on your host machine will be shared with the `foo` directory in the container with git and emacs installed.
 
-Should change the `FROM` image to something that suits your application (python, node, jupyter, etc).
+Can change the `FROM` image to some other Linux-based box that suits your application (python, node, jupyter, etc).
 
 For reasons I have yet determined, running `docker-compose up` instead of `docker-compose run dev` hangs at `Attaching to foo` (OS X Sierra, docker-compose version 1.11.2, build dfed245, Docker version 17.03.1-ce, build c6d412e). There's a bunch of bug reports that are fairly recent where people have this same issue.
diff --git a/README.md b/README.md
@@ -2,7 +2,7 @@
 
 Simple example for creating a Docker image for development.
 
-From a directory setup like
+Structure:
 ```
 /whales
   /foo
@@ -11,7 +11,7 @@ From a directory setup like
   Dockerfile
 ```
 
-Running `docker-compose build` and then `docker-compose run dev` will run the container and then drop you into the `src` directory. Any files you have in the `foo` directory on your host machine will be shared with the `foo` directory in the container with git and emacs installed.
+Running `docker-compose build` and then `docker-compose run dev` from inside the `whales` directory will run the container and then drop you into the `src` directory. Any files you have in the `foo` directory on your host machine will be shared with the `foo` directory in the container with git and emacs installed.
 
 Should change the `FROM` image to something that suits your application (python, node, jupyter, etc).
 

diff --git a/Dockerfile b/Dockerfile
@@ -0,0 +1,10 @@
+FROM debian:jessie
+
+RUN mkdir /src
+
+WORKDIR /src
+
+RUN apt-get update --fix-missing && \
+  apt-get -y --force-yes install emacs git
+
+ENTRYPOINT /bin/bash
diff --git a/README.md b/README.md
@@ -0,0 +1,18 @@
+# Simple docker-compose setup
+
+Simple example for creating a Docker image for development.
+
+From a directory setup like
+```
+/whales
+  /foo
+    ...
+  docker-compose.yml
+  Dockerfile
+```
+
+Running `docker-compose build` and then `docker-compose run dev` will run the container and then drop you into the `src` directory. Any files you have in the `foo` directory on your host machine will be shared with the `foo` directory in the container with git and emacs installed.
+
+Should change the `FROM` image to something that suits your application (python, node, jupyter, etc).
+
+For reasons I have yet determined, running `docker-compose up` instead of `docker-compose run dev` hangs at `Attaching to foo` (OS X Sierra, docker-compose version 1.11.2, build dfed245, Docker version 17.03.1-ce, build c6d412e). There's a bunch of bug reports that are fairly recent where people have this same issue.
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -0,0 +1,10 @@
+version: '3'
+
+services:
+  dev:
+    build:
+      context: .
+    container_name: foo
+    volumes:
+      - ./foo:/src/foo
+    stdin_open: true