Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplepress-backend/Dockerfile

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+# DEVELOPERS NOTE:
+# THE PURPOSE OF THIS DOCKERFILE IS TO BUILD OUR MODULAR-MONOLITH
+# EXECUTABLE IN A CONTAINER FOR A LINUX ENVIRONMENT USING A AMD64 PROCESSOR
+# CHIPSET. WE PURPOSEFULLY CHOSE THIS ENVIRONMENT / CHIPSET BECAUSE THIS IS
+# THE SAME AS OUR PRIVATE CLOUD HOSTING PROVIDER AS THE PURPOSE OF THIS
+# CONTAINER IS TO RUN IN THEIR INFRASTRUCTURE.
+
+###
+### Build Stage
+###
+
+# The base go-image
+FROM golang:1.24-alpine AS build-env
+
+# Create a directory for the app
+RUN mkdir /app
+
+# Set working directory
+WORKDIR /app
+
+# Special thanks to speeding up the docker builds using steps (1) (2) and (3) via:
+# https://stackoverflow.com/questions/50520103/speeding-up-go-builds-with-go-1-10-build-cache-in-docker-containers
+
+# (1) Copy your dependency list
+COPY go.mod go.sum ./
+
+# (2) Install dependencies
+RUN go mod download
+
+# (3) Copy all files from the current directory to the `/app` directory which we are currently in.
+COPY . .
+
+# Run command as described:
+# go build will build a 64bit Linux executable binary file named server in the current directory
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o maplepress-backend .
+
+###
+### Run stage.
+###
+
+FROM alpine:latest
+
+# Set working directory
+WORKDIR /app
+
+# Copy only required data into this image
+COPY --from=build-env /app/maplepress-backend .
+
+# Copy all the static content necessary for this application to run.
+COPY --from=build-env /app/static ./static
+
+# Copy database migrations
+COPY --from=build-env /app/migrations ./migrations
+
+EXPOSE 8000
+
+# Run the server executable
+CMD [ "/app/maplepress-backend", "daemon"]