Add Docker Compose production deployment with auto-generated secrets

.env.example

@@ -0,0 +1,73 @@
+# Fizzy Docker Compose Configuration
+# Copy this file to .env and fill in the values for your deployment.
+#
+# NOTE: SECRET_KEY_BASE, VAPID_PUBLIC_KEY, and VAPID_PRIVATE_KEY are
+# automatically generated on first boot and stored in the fizzy_secrets volume.
+# Do NOT set them here — the entrypoint sources the secrets file on every boot,
+# which will overwrite any values set in this file.
+
+# =============================================================================
+# REQUIRED
+# =============================================================================
+
+# Public URL of your Fizzy instance (used in email links, webhooks, etc.)
+# Include the scheme and host; no trailing slash.
+BASE_URL=https://fizzy.example.com
+
+# =============================================================================
+# DOCKER IMAGE
+# =============================================================================
+
+# Override the GHCR image repo (default: basecamp/fizzy)
+# FIZZY_IMAGE_REPO=basecamp/fizzy
+
+# Image tag to deploy (default: latest)
+# FIZZY_IMAGE_TAG=latest
+
+# Host port to expose Fizzy on (default: 3006)
+# In production, this port should be firewalled; only your reverse proxy should reach it.
+# FIZZY_PORT=3006
+
+# =============================================================================
+# MULTI-TENANCY
+# =============================================================================
+
+# Set to true to allow anyone to create a new account (sign-up enabled).
+# Set to false (default) for a single-account / invite-only deployment.
+MULTI_TENANT=false
+
+# =============================================================================
+# EMAIL (SMTP)
+# =============================================================================
+
+# If SMTP_ADDRESS is not set, email delivery is disabled entirely.
+# Required for magic-link login and notification emails.
+
+# SMTP_ADDRESS=smtp.example.com
+# SMTP_PORT=587
+# SMTP_DOMAIN=example.com
+# SMTP_USERNAME=user@example.com
+# SMTP_PASSWORD=secret
+# SMTP_AUTHENTICATION=plain
+# SMTP_TLS=false
+# SMTP_SSL_VERIFY_MODE=
+
+# From address for outgoing emails
+# MAILER_FROM_ADDRESS=fizzy@example.com
+
+# =============================================================================
+# LOGGING
+# =============================================================================
+
+# Log level: debug, info, warn, error, fatal (default: info)
+# RAILS_LOG_LEVEL=info
+
+# =============================================================================
+# PERFORMANCE TUNING
+# =============================================================================
+
+# Number of Puma web worker processes (default: physical CPU count)
+# WEB_CONCURRENCY=2
+
+# Number of Solid Queue job worker processes (default: physical CPU count)
+# JOB_CONCURRENCY=1

.gitignore

@@ -10,6 +10,7 @@
 # Ignore all environment files (except templates).
 /.env*
 !/.env*.erb
+!/.env.example
 
 # Ignore all logfiles and tempfiles.
 /log/*
@@ -41,3 +42,6 @@
 
 /config/credentials/*.key
 .DS_Store
+
+# Git worktrees
+/.worktrees

bin/docker-entrypoint

@@ -1,8 +1,34 @@
 #!/bin/bash -e
 
+SECRETS_FILE="/rails/secrets/secrets.env"
+mkdir -p "$(dirname "$SECRETS_FILE")"
+
+# On first boot: generate SECRET_KEY_BASE and VAPID keys, persist to secrets file
+if [ ! -f "$SECRETS_FILE" ]; then
+  echo "==> First boot detected: generating SECRET_KEY_BASE and VAPID keys..."
+
+  SECRET_KEY_BASE=$(bundle exec rails secret) || { echo "ERROR: Failed to generate SECRET_KEY_BASE"; exit 1; }
+
+  VAPID_KEYS=$(bundle exec ruby -e "require 'web-push'; vapid = WebPush.generate_key; puts 'VAPID_PUBLIC_KEY=' + vapid.public_key; puts 'VAPID_PRIVATE_KEY=' + vapid.private_key") || { echo "ERROR: Failed to generate VAPID keys"; exit 1; }
+
+  TMPFILE=$(mktemp)
+  {
+    echo "SECRET_KEY_BASE=${SECRET_KEY_BASE}"
+    echo "${VAPID_KEYS}"
+  } > "$TMPFILE" && mv "$TMPFILE" "$SECRETS_FILE" || { echo "ERROR: Failed to write secrets file"; rm -f "$TMPFILE"; exit 1; }
+
+  echo "==> Secrets written to ${SECRETS_FILE}. Back up the fizzy_secrets volume to preserve these."
+fi
+
+# On every boot: load the secrets file so all vars are exported into the environment
+set -a
+# shellcheck source=/dev/null
+source "$SECRETS_FILE"
+set +a
+
 # If running the rails server then create or migrate existing database
 if [ "${1}" == "./bin/thrust" ] && [ "${2}" == "./bin/rails" ] && [ "${3}" == "server" ]; then
   MIGRATE=1 ./bin/rails db:prepare
 fi
 
-exec "${@}"
+exec "$@"

docker-compose.yml

@@ -0,0 +1,58 @@
+# docker-compose.yml
+# Production deployment for Fizzy (SQLite + Solid Queue embedded in Puma)
+#
+# The first boot auto-generates SECRET_KEY_BASE and VAPID keys and writes them
+# to the fizzy_secrets volume. Keep that volume backed up.
+
+services:
+  fizzy:
+    image: ghcr.io/${FIZZY_IMAGE_REPO:-basecamp/fizzy}:${FIZZY_IMAGE_TAG:-latest}
+    # To use a locally built image instead, comment out 'image:' above and uncomment:
+    # build: .
+    restart: unless-stopped
+    ports:
+      - "${FIZZY_PORT:-3006}:80"
+    volumes:
+      # SQLite databases and Active Storage file uploads
+      - fizzy_storage:/rails/storage
+      # Generated secrets.env (SECRET_KEY_BASE, VAPID keys) live here
+      # Uses a dedicated /rails/secrets path to avoid overwriting baked-in config files
+      # IMPORTANT: back up this volume — losing it invalidates all sessions and web push subscriptions
+      - fizzy_secrets:/rails/secrets
+    environment:
+      # .env.example has some examples for what needs to be in place for this.
+      - RAILS_ENV=$RAILS_ENV
+      - FIZZY_HOST=$FIZZY_HOST
+      - SMTP_ADDRESS=$SMTP_ADDRESS
+      - SMTP_PORT=$SMTP_PORT
+      - SMTP_DOMAIN=$SMTP_DOMAIN
+      - SMTP_USERNAME=$SMTP_USERNAME
+      - SMTP_PASSWORD=$SMTP_PASSWORD
+      - SMTP_AUTHENTICATION=$SMTP_AUTHENTICATION
+      - SMTP_TLS=$SMTP_TLS
+      - MAILER_FROM_ADDRESS=$MAILER_FROM_ADDRESS
+      - RAILS_LOG_LEVEL=$RAILS_LOG_LEVEL
+      - BASE_URL=$BASE_URL
+      - WEB_CONCURRENCY=2
+      - JOB_CONCURRENCY=1
+      - MULTI_TENANT=true
+      # Disable Rails' own SSL enforcement — TLS is terminated by the external reverse proxy
+      - DISABLE_SSL=true
+      # Solid Queue embedded in Puma (no separate worker container needed)
+      - SOLID_QUEUE_IN_PUMA=true
+      # Use local disk for Active Storage (files go into fizzy_storage volume)
+      - ACTIVE_STORAGE_SERVICE=local
+      # SQLite adapter
+      - DATABASE_ADAPTER=sqlite
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:80/up"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 60s
+
+volumes:
+  fizzy_storage:
+    driver: local
+  fizzy_secrets:
+    driver: local