From befbcd064d95ed215002b51dcc6aec9564f27007 Mon Sep 17 00:00:00 2001
From: cellarspoon <cellarspoon@riseup.net>
Date: Mon, 10 Jan 2022 14:22:33 +0100
Subject: [PATCH] get a deployment going

---
 .env.sample        |  9 +++++-
 compose.yml        | 77 ++++++++++++++++++++++++++++++++++++++++++++++
 entrypoint.sh.tmpl | 30 ++++++++++++++++++
 makefile           |  6 +++-
 4 files changed, 120 insertions(+), 2 deletions(-)
 create mode 100644 compose.yml
 create mode 100644 entrypoint.sh.tmpl

diff --git a/.env.sample b/.env.sample
index 49d8a2f..f832f7d 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,11 +1,18 @@
 APP_SECRET_KEY=foobar
 APP_THEME=lumbung
+AUTOMATICALLY_LOG_IN=False
+DOMAIN=members.lumbung.space
+ENTRYPOINT_CONF_VERSION=v1
 INVITE_TIME_LIMIT=30
 KEYCLOAK_CLIENT_ID=admin-cli
 KEYCLOAK_CLIENT_SECRET=barfoo
 KEYCLOAK_DOMAIN=login.lumbung.space
 KEYCLOAK_REALM=lumbung-space
+LETS_ENCRYPT_ENV=production
+NGINX_CONF_VERSION=v1
 REDIS_DB=0
 REDIS_HOST=localhost
 REDIS_PORT=6379
-AUTOMATICALLY_LOG_IN=False
+SECRET_APP_SECRET_KEY_VERSION=v1
+SECRET_KEYCLOAK_CLIENT_SECRET_VERSION=v1
+STACK_NAME=foo_example_com
diff --git a/compose.yml b/compose.yml
new file mode 100644
index 0000000..8d4c291
--- /dev/null
+++ b/compose.yml
@@ -0,0 +1,77 @@
+---
+version: "3.8"
+
+services:
+  app:
+    image: "decentral1se/members.lumbung.space:latest"
+    environment:
+      - APP_SECRET_KEY_FILE=/run/secrets/app_secret_key
+      - APP_THEME
+      - AUTOMATICALLY_LOG_IN
+      - INVITE_TIME_LIMIT
+      - KEYCLOAK_CLIENT_ID
+      - KEYCLOAK_CLIENT_SECRET_FILE=/run/secrets/keycloak_client_secret
+      - KEYCLOAK_DOMAIN
+      - KEYCLOAK_REALM
+      - REDIS_DB=0
+      - REDIS_HOST=cache
+      - REDIS_PORT=6379
+    secrets:
+      - app_secret_key
+      - keycloak_client_secret
+    networks:
+      - proxy
+      - internal
+    configs:
+      - source: entrypoint_sh
+        target: /usr/local/bin/entrypoint.sh
+        mode: 0555
+    entrypoint: /usr/local/bin/entrypoint.sh
+    healthcheck:
+      test: curl --fail 0.0.0.0:8000/healthz || exit 1
+    deploy:
+      update_config:
+        failure_action: rollback
+        order: start-first
+      labels:
+        - "traefik.enable=true"
+        - "traefik.http.services.kcp.loadbalancer.server.port=8000"
+        - "traefik.http.routers.kcp.rule=Host(`${DOMAIN}`)"
+        - "traefik.http.routers.kcp.entrypoints=web-secure"
+        - "traefik.http.routers.kcp.tls.certresolver=production"
+    command: |
+      uvicorn
+      --host 0.0.0.0
+      --forwarded-allow-ips="*"
+      --proxy-headers
+      members_lumbung_space.main:app
+
+  cache:
+    image: redis:6.2-alpine
+    networks:
+      - internal
+    healthcheck:
+      test: redis-cli ping
+    volumes:
+      - redis:/data
+
+networks:
+  proxy:
+    external: true
+  internal:
+configs:
+  entrypoint_sh:
+    name: ${STACK_NAME}_entrypoint_conf_${ENTRYPOINT_CONF_VERSION}
+    file: entrypoint.sh.tmpl
+    template_driver: golang
+
+secrets:
+  app_secret_key:
+    external: true
+    name: ${STACK_NAME}_app_secret_key_${SECRET_APP_SECRET_KEY_VERSION}
+  keycloak_client_secret:
+    external: true
+    name: ${STACK_NAME}_keycloak_client_secret_${SECRET_KEYCLOAK_CLIENT_SECRET_VERSION}
+
+volumes:
+  redis:
diff --git a/entrypoint.sh.tmpl b/entrypoint.sh.tmpl
new file mode 100644
index 0000000..9ad6599
--- /dev/null
+++ b/entrypoint.sh.tmpl
@@ -0,0 +1,30 @@
+#! /bin/bash
+
+set -eu
+
+file_env() {
+  local var="$1"
+  local fileVar="${var}_FILE"
+  local def="${2:-}"
+
+  if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+    echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
+    exit 1
+  fi
+
+  local val="$def"
+  if [ "${!var:-}" ]; then
+    val="${!var}"
+  elif [ "${!fileVar:-}" ]; then
+    val="$(< "${!fileVar}")"
+  fi
+
+  export "$var"="$val"
+  unset "$fileVar"
+}
+
+file_env "KEYCLOAK_CLIENT_SECRET"
+file_env "APP_SECRET_KEY"
+
+echo "Passing it back to the upstream ENTRYPOINT/CMD..."
+exec "$@"
diff --git a/makefile b/makefile
index 53a6660..916788c 100644
--- a/makefile
+++ b/makefile
@@ -1,5 +1,6 @@
 .DEFAULT: run
-.PHONY: run redis
+
+.PHONY: run redis deploy
 
 run:
 	@if [ ! -d ".venv" ]; then \
@@ -11,3 +12,6 @@ run:
 
 redis:
 	@docker run -p 6379:6379 --name redis -d redis:6-alpine
+
+deploy:
+	@DOCKER_CONTEXT=lumbung.space docker stack deploy -c compose.yml members_lumbung_space