Added information in the readme file

Dockerfile

@@ -0,0 +1,29 @@
+FROM debian:11-slim
+LABEL maintainer="Georgios Sokianos <walkero@gmail.com>"
+
+ENV HOSTNAME=gemini.docker.localhost
+
+ENV PACKAGES="ca-certificates \
+    curl \
+    openssl"
+
+RUN apt-get update && apt-get -y --no-install-recommends install ${PACKAGES};
+
+RUN useradd -m -s /bin/bash gemini
+
+USER gemini
+
+WORKDIR /home/gemini
+RUN mkdir -p /home/gemini/content /home/gemini/server /home/gemini/certificate; \
+    curl -fsSL "https://github.com/mbrubeck/agate/releases/download/v3.2.4%2Bbuild/agate.x86_64-unknown-linux-gnu.gz" -o /home/gemini/server/agate.gz && \
+    gunzip ./server/agate.gz && \
+    mv ./server/agate ./server/agate-server && \
+    chmod +x ./server/agate-server;
+
+EXPOSE 1965/tcp
+
+ENTRYPOINT /home/gemini/server/agate-server \
+    --content /home/gemini/content \
+    --addr [::]:1965 --addr 0.0.0.0:1965 \
+    --lang en-US \
+    --hostname ${HOSTNAME}

Makefile

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+REPO ?= walkero/agate-gemini
+TAG ?= 1.0
+NAME ?= agate-gemini
+WORKSPACE ?= -w /home/gemini/content
+VOLUMES ?= -v "${PWD}/content":/home/gemini/content
+PORTS ?= -p 1965:1965
+
+.PHONY: build buildnc shell push logs clean test release
+
+default: help
+
+help:
+	@echo "This makefile helps on building agate Gemini server"
+	@echo "The available parameters can be seen below:"
+	@echo ""
+	@echo "build            - Build the Docker image"
+	@echo "buildnc          - Pull the latest repos' code and build the Docker image"
+	@echo "                   without using caching"
+	@echo "shell            - Create a container with the latest Docker image and get"
+	@echo "                   into it"
+	@echo "clean            - Remove the docker container, if this still exists."
+	@echo ""
+
+build:
+	docker build -f ./Dockerfile \
+		-t $(REPO):$(TAG) .
+
+buildnc: pullrepos
+	docker build --no-cache -f ./Dockerfile \
+		-t $(REPO):$(TAG) .
+
+shell:
+	docker run -it --rm --name $(NAME) $(VOLUMES) $(WORKSPACE) $(PORTS) $(REPO):$(TAG) /bin/bash
+
+push:
+	docker push $(REPO):$(TAG)
+
+logs:
+	docker logs $(NAME)
+
+clean:
+	-docker rm -f $(NAME)
+
+test:
+	snyk test --docker $(REPO):$(TAG) --file=Dockerfile
+
+release: build push

README.md

@@ -1,3 +1,40 @@
-# agate-gemini
+# agate-gemini docker image
 
-A gemini server using Agate
+A Gemini server using Agate. 
+
+This image is created having in mind to be used with a Traefik proxy server which will deal with the certication. That's why no certification is created inside the image in build time.
+
+To use it with Traefik and docker-compose you need to create two files with the following content in the same folder.
+
+.env
+```
+PROJECT_NAME=mygemini
+HOSTNAME=mygemini.demo.com
+```
+
+docker-compose.yml
+```yaml
+version: "3"
+
+services:
+  agate:
+    image: walkero/agate-gemini
+    container_name: "${PROJECT_NAME}_agate"
+    environment:
+      HOSTNAME: ${HOSTNAME}
+    volumes:
+      - ./content:/home/gemini/content
+    labels:
+      - "traefik.enable=true"
+      - traefik.tcp.routers.${PROJECT_NAME}_gemini.entrypoints=gemini
+      - traefik.tcp.routers.${PROJECT_NAME}_gemini.rule=HostSNI(`*`)
+      - traefik.tcp.routers.${PROJECT_NAME}_gemini.service=${PROJECT_NAME}_gemini
+      - traefik.tcp.services.${PROJECT_NAME}_gemini.loadbalancer.server.port=1965
+```
+
+To create the container you just need to run:
+```
+docker-compose up -d
+```
+
+Your gemtext files should be added at the `content` folder. Those are accessible from the container as well.

content/index.gmi

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+# This is Sample Gemini page
+## With header 1 and header 2
+And a short paragraph like this.
+=> /index.gmi Link to the same page
+
+# HELLO WORLD