diff --git a/Dockerfile b/Dockerfile
index e0feee3..14b2e75 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,80 +1,102 @@
-# Use Elixir official image
+# ============================================
+# Stage 0: Common base (system dependencies)
+# ============================================
 FROM elixir:1.15.7-alpine AS base
 
-# Install build dependencies
 RUN apk add --no-cache \
     build-base \
     git \
-    postgresql-client \
-    inotify-tools \
-    curl \
-    sudo
-
-# Create user with same UID/GID as host user
-ARG USER_ID=1000
-ARG GROUP_ID=1000
-RUN addgroup -g ${GROUP_ID} -S elixir && \
-    adduser -u ${USER_ID} -S elixir -G elixir -s /bin/sh
-
-# Set work directory
+    openssh-client \
+    postgresql-dev \
+    && rm -rf /var/cache/apk/*
+
 WORKDIR /app
+RUN mix do local.hex --force, local.rebar --force
 
-# Change ownership
-RUN chown -R elixir:elixir /app
+# ============================================
+# Stage 1: Dependencies (better caching)
+# ============================================
+FROM base AS deps
 
-# Switch to elixir user
-USER elixir
+# Copy only dependency files first
+COPY mix.exs mix.lock ./
+RUN --mount=type=ssh mix deps.get --only prod
 
-# Install Hex and Rebar
-RUN mix local.hex --force && \
-    mix local.rebar --force
+# ============================================
+# Stage 2: Development
+# ============================================
+FROM base AS dev
 
-#############################################
-# Dependencies stage - for caching
-#############################################
-FROM base AS deps
+# Add only what is specific for development
+RUN apk add --no-cache nodejs npm inotify-tools \
+    && rm -rf /var/cache/apk/*
+
+COPY mix.exs mix.lock ./
+COPY config config
+RUN --mount=type=ssh mix deps.get
+
+# The rest will be set up via volume in Compose
 
-# Copy mix files first for better caching
-COPY --chown=elixir:elixir mix.exs mix.lock ./
+# ============================================
+# Stage 3: Build (production)
+# ============================================
+FROM base AS build
 
-# Install dependencies
-RUN mix deps.get
+# Add only build-specific files
+RUN apk add --no-cache nodejs npm \
+    && rm -rf /var/cache/apk/*
 
-#############################################
-# Development stage
-#############################################
-FROM deps AS development
+ARG mix_env=prod
+WORKDIR /app
+
+# 1. Dependencies first (better caching)
+COPY mix.exs mix.lock ./
+RUN --mount=type=ssh mix deps.get --only $mix_env
 
-# Copy scripts first (they change less frequently)
-COPY --chown=elixir:elixir scripts/ ./scripts/
+# 2. Configurations
+COPY config config
 
-# Make ALL scripts executable - FIX AQUI
-RUN find ./scripts -type f -name "*.sh" -exec chmod +x {} \;
+# 3. Source code
+COPY lib lib
+COPY priv priv
+COPY scripts scripts
 
-# Copy rest of application code
-COPY --chown=elixir:elixir . .
+# 4. Assets
+COPY assets assets
+RUN if [ -f "assets/package.json" ]; then \
+    cd assets && npm ci --omit=dev && \
+    (npm run deploy || npm run build || true); \
+    fi
 
-# Compile dependencies only (code will be compiled by script)
-RUN mix deps.compile
+# 5. Compile and make release
+RUN MIX_ENV=$mix_env mix compile
+RUN MIX_ENV=$mix_env mix release
 
-# Default command will be overridden by docker-compose
-CMD ["mix", "phx.server"]
+# ============================================
+# Stage 4: Runtime (production – minimal image)
+# ============================================
+FROM alpine:3.20 AS app
 
-#############################################
-# Production stage (for future use)
-#############################################
-FROM deps AS production
+RUN apk add --no-cache \
+    openssl \
+    ncurses-libs \
+    libstdc++ \
+    ca-certificates \
+    && rm -rf /var/cache/apk/*
+
+ARG mix_env=prod
+WORKDIR /app
 
-ENV MIX_ENV=prod
+RUN addgroup -g 1000 -S appuser && \
+    adduser -u 1000 -S appuser -G appuser && \
+    chown -R appuser:appuser /app
 
-# Copy application code
-COPY --chown=elixir:elixir . .
+USER appuser:appuser
 
-# Compile application
-RUN mix deps.compile && \
-    mix compile
+COPY --from=build --chown=appuser:appuser /app/_build/${mix_env}/rel/sendwise ./
+COPY --from=build --chown=appuser:appuser /app/scripts/start.sh ./start.sh
 
-# Create release
-RUN mix release
+ENV HOME=/app \
+    PATH=/app/bin:$PATH
 
-CMD ["_build/prod/rel/foedus/bin/foedus", "start"]
\ No newline at end of file
+CMD ["sh", "./start.sh"]
diff --git a/compose.yml b/compose.yml
new file mode 100644
index 0000000..b6f7edc
--- /dev/null
+++ b/compose.yml
@@ -0,0 +1,53 @@
+services:
+  foedus:
+    build:
+      context: .
+      target: dev
+    restart: unless-stopped
+    container_name: foedus
+    command: mix phx.server
+    stdin_open: true
+    tty: true
+    depends_on:
+      foedus_db:
+        condition: service_healthy
+    ports:
+      - 4000:4000
+    volumes:
+      - .:/app
+      - foedus_deps:/app/deps
+      - foedus_build:/app/_build
+    env_file:
+      - .env
+    environment:
+      - PHX_LIVE_RELOAD_POLLING=true
+    networks:
+      - foedus_net
+
+  foedus_db:
+    image: "postgres:17"
+    container_name: foedus_db
+    environment:
+      POSTGRES_USER: ${DATABASE_USER}
+      POSTGRES_PASSWORD: ${DATABASE_PASSWORD}
+    ports:
+      - "5432:5432"
+    env_file:
+      - .env
+    volumes:
+      - "foedus_db:/var/lib/postgresql/data"
+    networks:
+      - foedus_net
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+networks:
+  foedus_net:
+
+volumes:
+  foedus_db:
+  foedus_deps:
+  foedus_build:
diff --git a/config/dev.exs b/config/dev.exs
index d94ac20..d58232e 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -2,10 +2,10 @@ import Config
 
 # Configure your database
 config :foedus, Foedus.Repo,
-  username: "postgres",
-  password: "postgres",
-  hostname: "db",
-  database: "foedus_dev",
+  username: System.get_env("DATABASE_USER") || "postgres",
+  password: System.get_env("DATABASE_PASSWORD") || "postgres",
+  hostname: System.get_env("DATABASE_HOST") || "my_doctor_db",
+  database: System.get_env("DATABASE_NAME") || "my_doctor_dev",
   stacktrace: true,
   show_sensitive_data_on_connection_error: true,
   pool_size: 10
diff --git a/docker-compose.yml b/docker-compose.yml
deleted file mode 100644
index 15c0df4..0000000
--- a/docker-compose.yml
+++ /dev/null
@@ -1,58 +0,0 @@
-services:
-  db:
-    image: postgres:13
-    container_name: foedus_postgres
-    environment:
-      POSTGRES_USER: ${POSTGRES_USER}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
-      POSTGRES_DB: ${POSTGRES_DB}
-      PGDATA: /var/lib/postgresql/data/pgdata
-    volumes:
-      - postgres_data:/var/lib/postgresql/data
-    ports:
-      - "${POSTGRES_PORT}:5432"
-    restart: unless-stopped
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER}"]
-      interval: 30s
-      timeout: 10s
-      retries: 3
-    networks:
-      - foedus_network
-
-  app:
-    build:
-      context: .
-      target: development
-    container_name: foedus_app
-    depends_on:
-      db:
-        condition: service_healthy
-    environment:
-      MIX_ENV: dev
-      DATABASE_URL: ${DATABASE_URL}
-      SECRET_KEY_BASE: ${SECRET_KEY_BASE}
-      PHX_HOST: ${PHX_HOST}
-    ports:
-      - "${PHX_PORT}:4000"
-    volumes:
-      - .:/app
-      - /app/deps
-      - /app/_build
-      - deps_cache:/app/deps
-      - build_cache:/app/_build
-    restart: unless-stopped
-    networks:
-      - foedus_network
-    stdin_open: true
-    tty: true
-    command: ["/app/scripts/dev-start.sh"]
-
-networks:
-  foedus_network:
-    driver: bridge
-
-volumes:
-  postgres_data:
-  deps_cache:
-  build_cache:
diff --git a/lib/release.ex b/lib/release.ex
new file mode 100644
index 0000000..11c0a15
--- /dev/null
+++ b/lib/release.ex
@@ -0,0 +1,28 @@
+defmodule Foedus.Release do
+  @moduledoc """
+  Used for executing DB release tasks when run in production without Mix
+  installed.
+  """
+  @app :sendwise
+
+  def migrate do
+    load_app()
+
+    for repo <- repos() do
+      {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :up, all: true))
+    end
+  end
+
+  def rollback(repo, version) do
+    load_app()
+    {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :down, to: version))
+  end
+
+  defp repos do
+    Application.fetch_env!(@app, :ecto_repos)
+  end
+
+  defp load_app do
+    Application.load(@app)
+  end
+end
diff --git a/scripts/dev-start.sh b/scripts/dev-start.sh
deleted file mode 100755
index f457ed0..0000000
--- a/scripts/dev-start.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/sh
-
-set -e
-
-echo "🚀 Starting Foedus development server..."
-
-# Verifica se as dependências precisam ser instaladas
-if [ ! -d "deps" ] || [ "mix.lock" -nt "deps/.mix_deps_timestamp" ]; then
-  echo "📦 Installing/updating dependencies..."
-  mix deps.get
-  touch deps/.mix_deps_timestamp
-fi
-
-# Verifica se precisa compilar
-if [ ! -d "_build" ] || find lib config -newer _build/dev -print -quit | grep -q .; then
-  echo "🔨 Compiling application..."
-  mix compile
-fi
-
-# Setup do banco (apenas se necessário)
-echo "🗃️ Setting up database..."
-mix ecto.create --quiet || true
-mix ecto.migrate --quiet || true
-
-echo "✅ Starting Phoenix server..."
-exec mix phx.server
\ No newline at end of file
diff --git a/scripts/start.sh b/scripts/start.sh
new file mode 100755
index 0000000..2f4f186
--- /dev/null
+++ b/scripts/start.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+set -e
+
+if [ -f "bin/foedus" ]; then
+    bin/foedus eval "Foedus.Release.migrate" || true
+    bin/foedus start
+else
+    exec "$@"
+fi