Add support to run it in docker

Dockerfile

@@ -0,0 +1,33 @@
+FROM golang:1.22-alpine3.19 AS builder
+
+# go mod cache layer
+WORKDIR /src
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . ./
+RUN CGO_ENABLED=0 go build -o /out/pastepass main.go
+
+
+FROM alpine:3.19
+
+ENV USER=pastepass
+ENV UID=1000
+ENV GID=1000
+ENV APP_DIR=/app
+ENV DATA_DIR=/data
+
+RUN apk add --no-cache tini ca-certificates \
+    && addgroup -g $GID -S $USER \
+    && adduser -u $UID -S -G $USER $USER
+
+WORKDIR $APP_DIR
+COPY --from=builder /out/pastepass .
+
+RUN mkdir -p $DATA_DIR && chown $UID:$GID $DATA_DIR
+
+USER $USER
+EXPOSE 8008
+
+ENTRYPOINT ["/sbin/tini", "--"]
+CMD ["./pastepass", "-db-path", "/data/pastepass.db"]

readme.md

@@ -52,6 +52,20 @@ Use the `-h` option to find all options:
 ./pastepass -h
 ``` 
 
+#### Run with docker
+
+Build the image
+
+```bash
+git clone https://github.com/v1k45/pastepass.git && cd pastepass
+docker build -t pastepass .
+```
+
+Run the image on the port 10001 with a volume mounted in `path/on/host` to store the database. ()
+```bash
+docker run -p 10001:8008 -v /path/on/host:/data pastepass
+```
+
 #### Options
 
 | Option       | Description                                                                | Default        |