From 75a1922a02f9488f605b8c49994b28b8e764d6be Mon Sep 17 00:00:00 2001
From: Saumit Dinesan <justsaumit@protonmail.com>
Date: Tue, 26 Dec 2023 01:04:24 +0530
Subject: Dockerfile & README.md: Optimizing Docker Image Size, adding
 persistant db using docker volume flag along w .env

---
 Dockerfile | 17 +++++++++++++----
 README.md  |  9 ++++++---
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 41a64e1..6dd20d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,27 @@
-#FROM golang:1.21.5-bullseye - debian/ubuntu has build dependencies(gcc)
-FROM golang:1.21.5-alpine
+FROM golang:1.21.5-alpine AS builder
 
 RUN mkdir /app
+WORKDIR /app
 
-ADD . /app
+COPY go.mod go.sum ./
+RUN go mod download
 
-WORKDIR /app
+COPY . .
 
 #Install the build dependencies
 RUN apk add --no-cache gcc libc-dev
 
+# Build the binary
 #CGO_ENABLED=1 for go-sqlite3 to work
 RUN CGO_ENABLED=1 go build -o main .
 
+# Runner Stage
+FROM alpine:latest
+
+WORKDIR /app
+
+COPY --from=builder /app/main .
+
 # Volume for SSL/TLS Certificates(optional for development)
 VOLUME /certs
 
diff --git a/README.md b/README.md
index 89101bf..be41f4b 100644
--- a/README.md
+++ b/README.md
@@ -69,9 +69,10 @@ To get started with this project, follow these steps:
         ```bash
         docker run -p 3000:3000 myapp
           ```
-        - For `production` environment with specified certificate and private key paths:
+        - For `production` environment with specified certificate and private key paths and persistant storage:
+
         ```bash
-        docker run -p 3000:3000 -v /path/to/certifcates:/certs myapp
+        docker run -p 3000:3000 --env-file .env -v docker-dbvolume:/app -v /path/to/certifcates:/certs myapp
           ```
 ### Usage
 
@@ -92,7 +93,9 @@ Once the server is running, you can access the API endpoints to upload a file fo
 - [x] Store JSON data to DB
 - [x] Perform verification
 - [x] Containerize the API
-- [ ] Optimize Docker Image size (Currently 509MB)
+- [x] Optimize Docker Image size (Previously 509MB, Optimized: 22.2MB)
+- [ ] Create a Github workflow for binary releases and docker image packages
+
 ## License
 
 This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
-- 
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