Use Alpine linux for smaller image

setup/docker.start

@@ -9,7 +9,8 @@ mkdir -p cache/botanjs
 case "$RUN_MODE" in
 	"web")
 		./botan-rebuild.py
-		./env/bin/uwsgi \
+		uwsgi \
+			--plugins-dir /usr/lib/uwsgi/ --need-plugin python \
 			--http-socket :5000 \
 			--wsgi-file main.py \
 			--callable application --master \
@@ -18,10 +19,10 @@ case "$RUN_MODE" in
 	"tasks")
 		source "$INST_DIR/celery.conf"
 
-		"$BIN_ROOT/celery" worker -n worker1@%h \
+		celery worker -n worker1@%h \
 		  -A ${CELERY_APP} \
 		  --loglevel=${CELERYD_LOG_LEVEL} ${CELERYD_OPTS} \
-		& "$BIN_ROOT/celery" worker -n worker1@%h \
+		& celery worker -n worker1@%h \
 		  -A ${CELERY_APP} \
 		  --loglevel=${CELERYD_LOG_LEVEL} ${CELERYD_OPTS}
 		;;