Add Dockerization

Dockerfile

@@ -0,0 +1,66 @@
+# Build stage
+FROM elixir:1.14.1 as builder
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y \
+    nodejs \
+    npm \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Set build ENV
+ENV MIX_ENV=prod
+
+# Install hex and rebar
+RUN mix local.hex --force && \
+    mix local.rebar --force
+
+# Copy configuration files first
+COPY mix.exs mix.lock ./
+COPY config config
+
+# Install mix dependencies
+RUN mix deps.get --only prod && \
+    mix deps.compile
+
+# Copy assets directory and install npm dependencies
+COPY assets assets
+RUN npm install --prefix assets/
+
+# Copy all remaining application files
+COPY . .
+
+# Compile assets and digest
+RUN mix assets.deploy
+RUN mix phx.digest
+
+# Compile the application
+RUN mix compile
+
+# Build release
+RUN mix release
+
+# Final stage
+FROM debian:bullseye-slim
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y \
+    openssl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy release from builder
+COPY --from=builder /app/_build/prod/rel/tilex ./
+
+# Set environment variables
+ENV PORT=4000
+
+# Expose port
+EXPOSE 4000
+
+# Start the application
+CMD ["bin/tilex", "start"]