Improve Docker support

Dockerfile

@@ -0,0 +1,35 @@
+# Use the official Alpine-based Golang image as the build stage
+FROM golang:1.18-alpine AS builder
+
+# Set the working directory
+WORKDIR /go/src/github.com/quackduck/devzat
+
+# Copy the project source code into the container
+COPY . .
+
+# Install project dependencies
+RUN go mod download
+
+# Build the project
+RUN go build -o devzat .
+
+
+
+
+# Use the latest Alpine Linux image as the base for the final image
+FROM alpine:latest
+
+# Install necessary tools
+RUN apk add --no-cache openssh-server
+
+# Copy the compiled binary to the final image
+COPY --from=builder /go/src/github.com/quackduck/devzat/devzat /usr/local/bin/devzat
+
+# Generate the SSH host key
+RUN ssh-keygen -qN '' -f /etc/ssh/ssh_host_rsa_key
+
+# Expose the SSH port
+EXPOSE 2221 443 5555
+
+# Run the application (This line is commented out because the main service is the SSH server)
+CMD ["/usr/local/bin/devzat"]

README.md

@@ -61,6 +61,43 @@ devzat # run! the default config is used & written automatically
 ```
 These commands download, build, setup and run a Devzat server listening on port 2221, the default port (change by setting `$PORT`).
 
+Docker start:
+```shell
+git clone https://github.com/quackduck/devzat && cd devzat
+docker build -t devzat .
+docker run -d --name devzat -p 2221:2221 -p 443:443 devzat  # Or consider using docker compose
+
+# Start enjoying
+ssh [email protected] -p 2222 
+```
+
+Docker Compose:
+First use:
+```shell
+git clone https://github.com/quackduck/devzat && cd devzat
+docker build -t devzat .
+```
+
+Create a docker-compose.yml file in the appropriate location:
+```yaml
+---
+services:
+  devzat:
+    image: devzat
+    container_name: devzat
+    environment:
+      - DEVZAT_CONFIG=/etc/devzat/devzat.yml  #Create it by referring to the sample configuration file
+    volumes:
+      - ./devzat.yml:/etc/devzat/devzat.yml
+      - ./data:/opt/devzat
+    ports:
+      - "2221:2221"
+      - "443:443"
+      #- "5555:5555" #Optional
+    restart: always
+```
+
+
 Check out the [Admin's Manual](Admin's%20Manual.md) for complete self-host documentation!
 
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