feat: dockerfile

Dockerfile

@@ -0,0 +1,22 @@
+FROM ghcr.io/gleam-lang/gleam:v1.14.0-erlang-alpine
+
+RUN apk add --no-cache elixir git libstdc++ openssl
+
+WORKDIR /app
+
+COPY gleam.toml manifest.toml ./
+COPY src/ ./src/
+
+RUN gleam deps download && gleam build --target erlang
+
+RUN adduser -D -H spasteg && chown -R spasteg:spasteg /app
+
+ENV PORT=3000
+EXPOSE 3000
+
+USER spasteg
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+
+ENTRYPOINT ["gleam", "run", "--target", "erlang", "--", "--no-halt"]