Add supervisor to docker for dev/demo

Allows us to run cron process and the server in
one container.

Dockerfile

@@ -1,13 +1,16 @@
 from mozorg/bedrock_base
 
-RUN apt-get install -y --no-install-recommends npm
-
-COPY . /app
-
+COPY ./node_modules ./
+COPY package.json ./
 RUN npm install --production
+
+COPY ./requirements/ ./requirements/
 RUN pip install --no-cache-dir -r requirements/dev.txt
 RUN pip install --no-cache-dir -r requirements/prod.txt
 RUN pip install --no-cache-dir -r requirements/docker.txt
+RUN pip install --no-cache-dir -r requirements/docker-dev.txt
+
+COPY . ./
 
 RUN ./manage.py collectstatic -l --noinput
 
@@ -18,5 +21,7 @@ RUN ./docker/bin/softlinkstatic.py
 RUN bash -c "if [[ ! -e locale ]]; then git clone --depth 1 https://github.com/mozilla-l10n/bedrock-l10n locale; fi"
 
 # Change User
+# No USER directive since supervisor is set to run processes as webdev
 RUN chown webdev.webdev -R .
-USER webdev
+
+CMD ["docker/run-supervisor.sh"]

docker/run-supervisor.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -xe
+
+enable_proc() {
+  cp "etc/supervisor_available/$1.conf" "etc/supervisor_enabled/$1.conf"
+}
+
+DEV=$(echo "$DEV" | tr '[:upper:]' '[:lower:]')
+
+enable_proc bedrock
+[[ "$DEV" == "true" ]] && enable_proc cron || true
+
+exec supervisord -c etc/supervisord.conf

etc/supervisor_available/bedrock.conf

@@ -0,0 +1,8 @@
+[program:bedrock]
+command = /app/docker/run-prod.sh
+numprocs = 1
+autostart = true
+user = webdev
+redirect_stderr = true
+stdout_logfile = /dev/stdout
+stdout_logfile_maxbytes = 0

etc/supervisor_available/cron.conf

@@ -0,0 +1,8 @@
+[program:cron]
+command = /app/bin/cron.py
+numprocs = 1
+autostart = true
+user = webdev
+redirect_stderr = true
+stdout_logfile = /dev/stdout
+stdout_logfile_maxbytes = 0

etc/supervisor_enabled/.gitignore

@@ -0,0 +1 @@
+*.conf

etc/supervisord.conf

@@ -0,0 +1,5 @@
+[supervisord]
+nodaemon = true
+
+[include]
+files = supervisor_enabled/*.conf

requirements/docker-dev.txt

@@ -0,0 +1,5 @@
+supervisor==3.2.3 \
+    --hash=sha256:3d6f0304c8ce74ab2100dfc4ab0f70050568504216f9508a81b8ed269aec9705
+meld3==1.0.2 \
+    --hash=sha256:b28a9bfac342aadb4557aa144bea9f8e6208bfb0596190570d10a892d35ff7dc \
+    --hash=sha256:f7b754a0fde7a4429b2ebe49409db240b5699385a572501bb0d5627d299f9558