Docker

.dockerignore

@@ -0,0 +1,5 @@
+_build
+deps
+node_modules
+assets/node_modules
+.env

.env.example

@@ -13,4 +13,3 @@ SECRET_KEY_BASE=
 # Destination API keys
 FORWARD_WEBHOOK_URL=https://webhook.site/your-test-url
 MIXPANEL_TOKEN=
-

.gitignore

@@ -13,7 +13,6 @@ crumb-*.tar
 ## Environment
 .env
 config/dev.secret.exs
-config/runtime.exs
 
 ## JS SDKs
 /sdk/js/dist

Dockerfile

@@ -0,0 +1,45 @@
+# Dockerfile
+
+# Base image
+FROM elixir:1.16-alpine AS build
+
+# Install hex + rebar
+RUN mix local.hex --force && \
+    mix local.rebar --force
+
+# Set environment
+ENV MIX_ENV=prod \
+    LANG=C.UTF-8
+
+# Install Node and dependencies for assets
+RUN apk add --no-cache build-base git npm
+
+# Create build dir
+WORKDIR /app
+
+# Copy files
+COPY mix.exs mix.lock ./
+COPY config config
+RUN mix deps.get --only prod
+RUN mix deps.compile
+
+COPY priv priv
+COPY lib lib
+
+# Compile and digest assets
+RUN mix compile
+
+# Release the app
+RUN mix release
+
+# ─── FINAL IMAGE ────────────────────────────────────────────
+
+FROM alpine:3.18 AS app
+
+RUN apk add --no-cache openssl ncurses-libs libstdc++
+
+WORKDIR /app
+
+COPY --from=build /app/_build/prod/rel/crumb ./
+
+CMD ["bin/crumb", "start"]

config/runtime.exs

@@ -40,9 +40,9 @@ end
 
 if config_env() == :prod do
   database_url =
-    System.get_env("DATABASE_URL") ||
+    System.get_env("DATABASE") ||
       raise """
-      environment variable DATABASE_URL is missing.
+      environment variable DATABASE is missing.
       For example: ecto://USER:PASS@HOST/DATABASE
       """
 
@@ -81,6 +81,7 @@ if config_env() == :prod do
       ip: {0, 0, 0, 0, 0, 0, 0, 0},
       port: port
     ],
+    server: true,
     secret_key_base: secret_key_base
 
   # ## SSL Support

docker-compose.yml

@@ -0,0 +1,28 @@
+services:
+  crumb:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    environment:
+      DATABASE: ecto://postgres:postgres@db:5432/crumb_prod
+      USERNAME: postgres
+      PASSWORD: postgres
+      SECRET_KEY_BASE: a_very_secret_key_that_you_generate
+      PHX_HOST: localhost
+      PORT: 4000
+    ports:
+      - "4000:4000"
+    depends_on:
+      - db
+
+  db:
+    image: postgres:15
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: crumb_prod
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+
+volumes:
+  pgdata: