Reduce docker image compile time

build/Dockerfile-api

@@ -5,6 +5,11 @@ RUN apk update && apk upgrade && \
     apk add --no-cache bash git openssh
 
 WORKDIR /app
+
+# Copy and download dependencies to cache them and faster build time
+COPY go.mod go.sum ./
+RUN go mod download
+
 COPY . .
 
 # Test then build app

build/Dockerfile-crawler

@@ -5,6 +5,11 @@ RUN apk update && apk upgrade && \
     apk add --no-cache bash git openssh
 
 WORKDIR /app
+
+# Copy and download dependencies to cache them and faster build time
+COPY go.mod go.sum ./
+RUN go mod download
+
 COPY . .
 
 # Test then build app

build/Dockerfile-feeder

@@ -5,6 +5,11 @@ RUN apk update && apk upgrade && \
     apk add --no-cache bash git openssh
 
 WORKDIR /app
+
+# Copy and download dependencies to cache them and faster build time
+COPY go.mod go.sum ./
+RUN go mod download
+
 COPY . .
 
 # Test then build app

build/Dockerfile-persister

@@ -5,6 +5,11 @@ RUN apk update && apk upgrade && \
     apk add --no-cache bash git openssh
 
 WORKDIR /app
+
+# Copy and download dependencies to cache them and faster build time
+COPY go.mod go.sum ./
+RUN go mod download
+
 COPY . .
 
 # Test then build app

build/Dockerfile-scheduler

@@ -5,6 +5,11 @@ RUN apk update && apk upgrade && \
     apk add --no-cache bash git openssh
 
 WORKDIR /app
+
+# Copy and download dependencies to cache them and faster build time
+COPY go.mod go.sum ./
+RUN go mod download
+
 COPY . .
 
 # Test then build app

scripts/build.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
+# build processes
 docker build . -f build/Dockerfile-crawler -t trandoshan.io/crawler
 docker build . -f build/Dockerfile-feeder -t trandoshan.io/feeder
 docker build . -f build/Dockerfile-scheduler -t trandoshan.io/scheduler